215057014 has 4 divisors (see below), whose sum is σ = 322585524. Its totient is φ = 107528506.

The previous prime is 215057009. The next prime is 215057113. The reversal of 215057014 is 410750512.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 215057014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53764252 + ... + 53764255.

It is an arithmetic number, because the mean of its divisors is an integer number (80646381).

Almost surely, 2^215057014 is an apocalyptic number.

215057014 is a deficient number, since it is larger than the sum of its proper divisors (107528510).

215057014 is a wasteful number, since it uses less digits than its factorization.

215057014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107528509.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 215057014 is about 14664.8223310069. The cubic root of 215057014 is about 599.1255911157.

The spelling of 215057014 in words is "two hundred fifteen million, fifty-seven thousand, fourteen".