525974526 has 192 divisors, whose sum is σ = 1571996160. Its totient is φ = 128459520.

The previous prime is 525974521. The next prime is 525974593. The reversal of 525974526 is 625479525.

525974526 is a `hidden beast` number, since 5 + 2 + 59 + 74 + 526 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525974521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 494271 + ... + 495333.

It is an arithmetic number, because the mean of its divisors is an integer number (8187480).

Almost surely, 2^525974526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525974526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785998080).

525974526 is an abundant number, since it is smaller than the sum of its proper divisors (1046021634).

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

525974526 is a wasteful number, since it uses less digits than its factorization.

525974526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1103 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 525974526 is about 22934.1345160440. The cubic root of 525974526 is about 807.2131662802.

The spelling of 525974526 in words is "five hundred twenty-five million, nine hundred seventy-four thousand, five hundred twenty-six".