525372318 has 48 divisors (see below), whose sum is σ = 1249925040. Its totient is φ = 164820096.

The previous prime is 525372317. The next prime is 525372329. The reversal of 525372318 is 813273525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525372311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23533 + ... + 40056.

It is an arithmetic number, because the mean of its divisors is an integer number (26040105).

Almost surely, 2^525372318 is an apocalyptic number.

525372318 is an abundant number, since it is smaller than the sum of its proper divisors (724552722).

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

525372318 is a wasteful number, since it uses less digits than its factorization.

525372318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63623 (or 63611 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 525372318 is about 22921.0016796823. The cubic root of 525372318 is about 806.9049790693.

The spelling of 525372318 in words is "five hundred twenty-five million, three hundred seventy-two thousand, three hundred eighteen".