215464052 has 24 divisors (see below), whose sum is σ = 403131456. Its totient is φ = 100407168.

The previous prime is 215464049. The next prime is 215464091. The reversal of 215464052 is 250464512.

It is a super-3 number, since 3×215464052³ (a number of 26 digits) contains 333 as substring.

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, 8378 + ... + 22385.

It is an arithmetic number, because the mean of its divisors is an integer number (16797144).

Almost surely, 2^215464052 is an apocalyptic number.

It is an amenable number.

215464052 is a deficient number, since it is larger than the sum of its proper divisors (187667404).

215464052 is a wasteful number, since it uses less digits than its factorization.

215464052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30887 (or 30885 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 215464052 is about 14678.6938110991. The cubic root of 215464052 is about 599.5033408481.

The spelling of 215464052 in words is "two hundred fifteen million, four hundred sixty-four thousand, fifty-two".