525015452052 has 216 divisors, whose sum is σ = 1643582356416. Its totient is φ = 138362245632.

The previous prime is 525015451991. The next prime is 525015452057. The reversal of 525015452052 is 250254510525.

525015452052 is a `hidden beast` number, since 5 + 2 + 501 + 54 + 52 + 0 + 52 = 666.

It is a super-2 number, since 2×525015452052² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 525015451998 and 525015452016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525015452057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69286888 + ... + 69294464.

It is an arithmetic number, because the mean of its divisors is an integer number (7609177576).

Almost surely, 2^525015452052 is an apocalyptic number.

525015452052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525015452052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821791178208).

525015452052 is an abundant number, since it is smaller than the sum of its proper divisors (1118566904364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525015452052 is a wasteful number, since it uses less digits than its factorization.

525015452052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247 (or 9229 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

Adding to 525015452052 its reverse (250254510525), we get a palindrome (775269962577).

The spelling of 525015452052 in words is "five hundred twenty-five billion, fifteen million, four hundred fifty-two thousand, fifty-two".