215310052 has 12 divisors (see below), whose sum is σ = 396623920. Its totient is φ = 101988936.

The previous prime is 215310037. The next prime is 215310077. The reversal of 215310052 is 250013512.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416438 + ... + 1416589.

Almost surely, 2^215310052 is an apocalyptic number.

It is an amenable number.

215310052 is a deficient number, since it is larger than the sum of its proper divisors (181313868).

215310052 is a wasteful number, since it uses less digits than its factorization.

215310052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833050 (or 2833048 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 215310052 is about 14673.4471750847. The cubic root of 215310052 is about 599.3604778538.

Adding to 215310052 its reverse (250013512), we get a palindrome (465323564).

The spelling of 215310052 in words is "two hundred fifteen million, three hundred ten thousand, fifty-two".