525424536 has 128 divisors (see below), whose sum is σ = 1796390400. Its totient is φ = 138568320.

The previous prime is 525424517. The next prime is 525424541. The reversal of 525424536 is 635424525.

525424536 is a `hidden beast` number, since 52 + 54 + 24 + 536 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 525424536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6291 + ... + 33021.

It is an arithmetic number, because the mean of its divisors is an integer number (14034300).

Almost surely, 2^525424536 is an apocalyptic number.

525424536 is a gapful number since it is divisible by the number (56) 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 525424536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898195200).

525424536 is an abundant number, since it is smaller than the sum of its proper divisors (1270965864).

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

525424536 is a wasteful number, since it uses less digits than its factorization.

525424536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26766 (or 26756 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 525424536 is about 22922.1407377234. The cubic root of 525424536 is about 806.9317115832.

The spelling of 525424536 in words is "five hundred twenty-five million, four hundred twenty-four thousand, five hundred thirty-six".