525390500 has 24 divisors (see below), whose sum is σ = 1147453944. Its totient is φ = 210156000.

The previous prime is 525390493. The next prime is 525390521. The reversal of 525390500 is 5093525.

It can be written as a sum of positive squares in 4 ways, for example, as 68029504 + 457360996 = 8248^2 + 21386^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524891 + ... + 525890.

It is an arithmetic number, because the mean of its divisors is an integer number (47810581).

Almost surely, 2^525390500 is an apocalyptic number.

525390500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

525390500 is an abundant number, since it is smaller than the sum of its proper divisors (622063444).

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

525390500 is a wasteful number, since it uses less digits than its factorization.

525390500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050800 (or 1050788 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 525390500 is about 22921.3982994057. The cubic root of 525390500 is about 806.9142873741.

The spelling of 525390500 in words is "five hundred twenty-five million, three hundred ninety thousand, five hundred".