215052604 has 12 divisors (see below), whose sum is σ = 405291544. Its totient is φ = 99255024.

The previous prime is 215052587. The next prime is 215052637. The reversal of 215052604 is 406250512.

215052604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2067762 + ... + 2067865.

Almost surely, 2^215052604 is an apocalyptic number.

It is an amenable number.

215052604 is a deficient number, since it is larger than the sum of its proper divisors (190238940).

215052604 is a wasteful number, since it uses less digits than its factorization.

215052604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135644 (or 4135642 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 215052604 is about 14664.6719704192. The cubic root of 215052604 is about 599.1214958266.

The spelling of 215052604 in words is "two hundred fifteen million, fifty-two thousand, six hundred four".