215051000 has 32 divisors (see below), whose sum is σ = 503221680. Its totient is φ = 86020000.

The previous prime is 215050981. The next prime is 215051033. The reversal of 215051000 is 150512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106526 + ... + 108525.

Almost surely, 2^215051000 is an apocalyptic number.

215051000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215051000 is an abundant number, since it is smaller than the sum of its proper divisors (288170680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215051000 is a wasteful number, since it uses less digits than its factorization.

215051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215072 (or 215058 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 215051000 is about 14664.6172810612. The cubic root of 215051000 is about 599.1200062790.

The spelling of 215051000 in words is "two hundred fifteen million, fifty-one thousand".