525828620 has 24 divisors (see below), whose sum is σ = 1106820288. Its totient is φ = 209840000.

The previous prime is 525828619. The next prime is 525828623. The reversal of 525828620 is 26828525.

It is a happy number.

It is a super-2 number, since 2×525828620² = 552991475222208800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525828623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21881 + ... + 39120.

It is an arithmetic number, because the mean of its divisors is an integer number (46117512).

Almost surely, 2^525828620 is an apocalyptic number.

It is an amenable number.

525828620 is an abundant number, since it is smaller than the sum of its proper divisors (580991668).

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

525828620 is a wasteful number, since it uses less digits than its factorization.

525828620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441 (or 61439 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 525828620 is about 22930.9533164236. The cubic root of 525828620 is about 807.1385187256.

The spelling of 525828620 in words is "five hundred twenty-five million, eight hundred twenty-eight thousand, six hundred twenty".