255267215 has 12 divisors (see below), whose sum is σ = 356332536. Its totient is φ = 175040208.

The previous prime is 255267211. The next prime is 255267227. The reversal of 255267215 is 512762552.

It is not a de Polignac number, because 255267215 - 2² = 255267211 is a prime.

It is a super-2 number, since 2×255267215² = 130322702107712450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255267211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520709 + ... + 521198.

It is an arithmetic number, because the mean of its divisors is an integer number (29694378).

Almost surely, 2^255267215 is an apocalyptic number.

255267215 is a deficient number, since it is larger than the sum of its proper divisors (101065321).

255267215 is a wasteful number, since it uses less digits than its factorization.

255267215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041926 (or 1041919 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 255267215 is about 15977.0840581127. The cubic root of 255267215 is about 634.3539961338.

The spelling of 255267215 in words is "two hundred fifty-five million, two hundred sixty-seven thousand, two hundred fifteen".