215262852 has 48 divisors (see below), whose sum is σ = 575619072. Its totient is φ = 61333920.

The previous prime is 215262847. The next prime is 215262863. The reversal of 215262852 is 258262512.

It is a happy number.

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, 28827 + ... + 35517.

It is an arithmetic number, because the mean of its divisors is an integer number (11992064).

Almost surely, 2^215262852 is an apocalyptic number.

It is an amenable number.

215262852 is an abundant number, since it is smaller than the sum of its proper divisors (360356220).

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

215262852 is a wasteful number, since it uses less digits than its factorization.

215262852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088 (or 7086 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 215262852 is about 14671.8387395718. The cubic root of 215262852 is about 599.3166776352.

The spelling of 215262852 in words is "two hundred fifteen million, two hundred sixty-two thousand, eight hundred fifty-two".