215430675 has 12 divisors (see below), whose sum is σ = 356178840. Its totient is φ = 114896320.

The previous prime is 215430599. The next prime is 215430689. The reversal of 215430675 is 576034512.

It is not a de Polignac number, because 215430675 - 2⁸ = 215430419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1436130 + ... + 1436279.

It is an arithmetic number, because the mean of its divisors is an integer number (29681570).

Almost surely, 2^215430675 is an apocalyptic number.

215430675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

215430675 is a deficient number, since it is larger than the sum of its proper divisors (140748165).

215430675 is a wasteful number, since it uses less digits than its factorization.

215430675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872422 (or 2872417 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 215430675 is about 14677.5568471050. The cubic root of 215430675 is about 599.4723833927.

The spelling of 215430675 in words is "two hundred fifteen million, four hundred thirty thousand, six hundred seventy-five".