215250264 has 32 divisors (see below), whose sum is σ = 597918000. Its totient is φ = 71750016.

The previous prime is 215250263. The next prime is 215250313. The reversal of 215250264 is 462052512.

215250264 is a `hidden beast` number, since 2 + 152 + 502 + 6 + 4 = 666.

215250264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215250263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498049 + ... + 498480.

Almost surely, 2^215250264 is an apocalyptic number.

215250264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

215250264 is an abundant number, since it is smaller than the sum of its proper divisors (382667736).

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

215250264 is a wasteful number, since it uses less digits than its factorization.

215250264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996544 (or 996534 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 215250264 is about 14671.4097482144. The cubic root of 215250264 is about 599.3049952582.

The spelling of 215250264 in words is "two hundred fifteen million, two hundred fifty thousand, two hundred sixty-four".