215295952 has 10 divisors (see below), whose sum is σ = 417135938. Its totient is φ = 107647968.

The previous prime is 215295947. The next prime is 215295979. The reversal of 215295952 is 259592512.

215295952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 199487376 + 15808576 = 14124^2 + 3976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727983 + ... + 6728014.

Almost surely, 2^215295952 is an apocalyptic number.

It is an amenable number.

215295952 is a deficient number, since it is larger than the sum of its proper divisors (201839986).

215295952 is a wasteful number, since it uses less digits than its factorization.

215295952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13456005 (or 13455999 counting only the distinct ones).

The product of its digits is 81000, while the sum is 40.

The square root of 215295952 is about 14672.9667075203. The cubic root of 215295952 is about 599.3473941370.

The spelling of 215295952 in words is "two hundred fifteen million, two hundred ninety-five thousand, nine hundred fifty-two".