255892331 has 4 divisors (see below), whose sum is σ = 257218392. Its totient is φ = 254566272.

The previous prime is 255892303. The next prime is 255892337. The reversal of 255892331 is 133298552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255892331 - 2¹⁴ = 255875947 is a prime.

It is a super-2 number, since 2×255892331² = 130961770129227122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255892337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662741 + ... + 663126.

It is an arithmetic number, because the mean of its divisors is an integer number (64304598).

Almost surely, 2^255892331 is an apocalyptic number.

255892331 is a deficient number, since it is larger than the sum of its proper divisors (1326061).

255892331 is a wasteful number, since it uses less digits than its factorization.

255892331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326060.

The product of its digits is 64800, while the sum is 38.

The square root of 255892331 is about 15996.6349898971. The cubic root of 255892331 is about 634.8713906568.

The spelling of 255892331 in words is "two hundred fifty-five million, eight hundred ninety-two thousand, three hundred thirty-one".