525654928 has 20 divisors (see below), whose sum is σ = 1053576540. Its totient is φ = 253764224.

The previous prime is 525654911. The next prime is 525654937. The reversal of 525654928 is 829456525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88510464 + 437144464 = 9408^2 + 20908^2 .

It is a super-3 number, since 3×525654928³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565975 + ... + 566902.

It is an arithmetic number, because the mean of its divisors is an integer number (52678827).

Almost surely, 2^525654928 is an apocalyptic number.

525654928 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

525654928 is an abundant number, since it is smaller than the sum of its proper divisors (527921612).

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

525654928 is a wasteful number, since it uses less digits than its factorization.

525654928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132914 (or 1132908 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The square root of 525654928 is about 22927.1657210393. The cubic root of 525654928 is about 807.0496374581.

The spelling of 525654928 in words is "five hundred twenty-five million, six hundred fifty-four thousand, nine hundred twenty-eight".