215265032 has 8 divisors (see below), whose sum is σ = 403621950. Its totient is φ = 107632512.

The previous prime is 215265031. The next prime is 215265053. The reversal of 215265032 is 230562512.

It can be written as a sum of positive squares in only one way, i.e., 193043236 + 22221796 = 13894^2 + 4714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×215265032² = 92678068003922048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215264992 and 215265010.

It is not an unprimeable number, because it can be changed into a prime (215265031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13454057 + ... + 13454072.

Almost surely, 2^215265032 is an apocalyptic number.

It is an amenable number.

215265032 is a deficient number, since it is larger than the sum of its proper divisors (188356918).

215265032 is a wasteful number, since it uses less digits than its factorization.

215265032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26908135 (or 26908131 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 215265032 is about 14671.9130313671. The cubic root of 215265032 is about 599.3187007524.

The spelling of 215265032 in words is "two hundred fifteen million, two hundred sixty-five thousand, thirty-two".