525261212 has 24 divisors (see below), whose sum is σ = 1096198656. Its totient is φ = 215324208.

The previous prime is 525261197. The next prime is 525261221. The reversal of 525261212 is 212162525.

It is a congruent number.

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, 407168 + ... + 408455.

It is an arithmetic number, because the mean of its divisors is an integer number (45674944).

Almost surely, 2^525261212 is an apocalyptic number.

It is an amenable number.

525261212 is an abundant number, since it is smaller than the sum of its proper divisors (570937444).

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

525261212 is a wasteful number, since it uses less digits than its factorization.

525261212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815657 (or 815655 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 525261212 is about 22918.5778790919. The cubic root of 525261212 is about 806.8480935032.

The spelling of 525261212 in words is "five hundred twenty-five million, two hundred sixty-one thousand, two hundred twelve".