215929052 has 6 divisors (see below), whose sum is σ = 377875848. Its totient is φ = 107964524.

The previous prime is 215929031. The next prime is 215929061. The reversal of 215929052 is 250929512.

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, 26991128 + ... + 26991135.

It is an arithmetic number, because the mean of its divisors is an integer number (62979308).

Almost surely, 2^215929052 is an apocalyptic number.

It is an amenable number.

215929052 is a deficient number, since it is larger than the sum of its proper divisors (161946796).

215929052 is a wasteful number, since it uses less digits than its factorization.

215929052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53982267 (or 53982265 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 215929052 is about 14694.5245584878. The cubic root of 215929052 is about 599.9343002136.

The spelling of 215929052 in words is "two hundred fifteen million, nine hundred twenty-nine thousand, fifty-two".