525613536 has 240 divisors, whose sum is σ = 1800247680. Its totient is φ = 147329280.

The previous prime is 525613513. The next prime is 525613537. The reversal of 525613536 is 635316525.

525613536 is a `hidden beast` number, since 5 + 2 + 5 + 613 + 5 + 36 = 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 525613536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525613537) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1070251 + ... + 1070741.

It is an arithmetic number, because the mean of its divisors is an integer number (7501032).

Almost surely, 2^525613536 is an apocalyptic number.

525613536 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 525613536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900123840).

525613536 is an abundant number, since it is smaller than the sum of its proper divisors (1274634144).

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

525613536 is a wasteful number, since it uses less digits than its factorization.

525613536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 562 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 525613536 is about 22926.2630186431. The cubic root of 525613536 is about 807.0284535510.

The spelling of 525613536 in words is "five hundred twenty-five million, six hundred thirteen thousand, five hundred thirty-six".