215256602 has 16 divisors (see below), whose sum is σ = 361759392. Its totient is φ = 95199120.

The previous prime is 215256583. The next prime is 215256607. The reversal of 215256602 is 206652512.

It is not an unprimeable number, because it can be changed into a prime (215256607) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 131408 + ... + 133035.

It is an arithmetic number, because the mean of its divisors is an integer number (22609962).

Almost surely, 2^215256602 is an apocalyptic number.

215256602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

215256602 is a deficient number, since it is larger than the sum of its proper divisors (146502790).

215256602 is a wasteful number, since it uses less digits than its factorization.

215256602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264493.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 215256602 is about 14671.6257449541. The cubic root of 215256602 is about 599.3108773381.

The spelling of 215256602 in words is "two hundred fifteen million, two hundred fifty-six thousand, six hundred two".