525970428 has 48 divisors (see below), whose sum is σ = 1279488000. Its totient is φ = 167976000.

The previous prime is 525970421. The next prime is 525970439. The reversal of 525970428 is 824079525.

It is a super-2 number, since 2×525970428² = 553289782261006368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 525970428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525970421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30573 + ... + 44571.

It is an arithmetic number, because the mean of its divisors is an integer number (26656000).

Almost surely, 2^525970428 is an apocalyptic number.

It is an amenable number.

525970428 is an abundant number, since it is smaller than the sum of its proper divisors (753517572).

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

525970428 is a wasteful number, since it uses less digits than its factorization.

525970428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14138 (or 14136 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 525970428 is about 22934.0451730609. The cubic root of 525970428 is about 807.2110698744.

The spelling of 525970428 in words is "five hundred twenty-five million, nine hundred seventy thousand, four hundred twenty-eight".