525251562 has 48 divisors (see below), whose sum is σ = 1158312960. Its totient is φ = 158667520.

The previous prime is 525251549. The next prime is 525251563. The reversal of 525251562 is 265152525.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (525251563) 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 23 ways as a sum of consecutive naturals, for example, 277114 + ... + 279002.

It is an arithmetic number, because the mean of its divisors is an integer number (24131520).

Almost surely, 2^525251562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525251562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579156480).

525251562 is an abundant number, since it is smaller than the sum of its proper divisors (633061398).

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

525251562 is a wasteful number, since it uses less digits than its factorization.

525251562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2288 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 525251562 is about 22918.3673502281. The cubic root of 525251562 is about 806.8431523859.

The spelling of 525251562 in words is "five hundred twenty-five million, two hundred fifty-one thousand, five hundred sixty-two".