525765812 has 36 divisors (see below), whose sum is σ = 1089147108. Its totient is φ = 220598400.

The previous prime is 525765811. The next prime is 525765827. The reversal of 525765812 is 218567525.

It can be written as a sum of positive squares in 2 ways, for example, as 86192656 + 439573156 = 9284^2 + 20966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525765812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525765811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35489 + ... + 48072.

Almost surely, 2^525765812 is an apocalyptic number.

525765812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525765812 is an abundant number, since it is smaller than the sum of its proper divisors (563381296).

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

525765812 is a wasteful number, since it uses less digits than its factorization.

525765812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83600 (or 83587 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 525765812 is about 22929.5837729340. The cubic root of 525765812 is about 807.1063810209.

The spelling of 525765812 in words is "five hundred twenty-five million, seven hundred sixty-five thousand, eight hundred twelve".