524525540 has 48 divisors (see below), whose sum is σ = 1373307264. Its totient is φ = 163488000.

The previous prime is 524525489. The next prime is 524525629. The reversal of 524525540 is 45525425.

It is a super-2 number, since 2×524525540² = 550254084224583200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 524525497 and 524525506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168761 + ... + 171840.

It is an arithmetic number, because the mean of its divisors is an integer number (28610568).

Almost surely, 2^524525540 is an apocalyptic number.

It is an amenable number.

524525540 is an abundant number, since it is smaller than the sum of its proper divisors (848781724).

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

524525540 is a wasteful number, since it uses less digits than its factorization.

524525540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340628 (or 340626 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 524525540 is about 22902.5225684858. The cubic root of 524525540 is about 806.4712315595.

The spelling of 524525540 in words is "five hundred twenty-four million, five hundred twenty-five thousand, five hundred forty".