525329872 has 20 divisors (see below), whose sum is σ = 1022057476. Its totient is φ = 261573120.

The previous prime is 525329863. The next prime is 525329873. The reversal of 525329872 is 278923525.

It can be written as a sum of positive squares in 2 ways, for example, as 324144016 + 201185856 = 18004^2 + 14184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525329873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64263 + ... + 71974.

Almost surely, 2^525329872 is an apocalyptic number.

It is an amenable number.

525329872 is a deficient number, since it is larger than the sum of its proper divisors (496727604).

525329872 is a wasteful number, since it uses less digits than its factorization.

525329872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136486 (or 136480 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 525329872 is about 22920.0757415851. The cubic root of 525329872 is about 806.8832479338.

The spelling of 525329872 in words is "five hundred twenty-five million, three hundred twenty-nine thousand, eight hundred seventy-two".