255184951 has 4 divisors (see below), whose sum is σ = 291639952. Its totient is φ = 218729952.

The previous prime is 255184939. The next prime is 255184973. The reversal of 255184951 is 159481552.

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

It is not a de Polignac number, because 255184951 - 2⁷ = 255184823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255184051) 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, 18227490 + ... + 18227503.

It is an arithmetic number, because the mean of its divisors is an integer number (72909988).

Almost surely, 2^255184951 is an apocalyptic number.

255184951 is a deficient number, since it is larger than the sum of its proper divisors (36455001).

255184951 is an equidigital number, since it uses as much as digits as its factorization.

255184951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455000.

The product of its digits is 72000, while the sum is 40.

The square root of 255184951 is about 15974.5094134374. The cubic root of 255184951 is about 634.2858451912.

The spelling of 255184951 in words is "two hundred fifty-five million, one hundred eighty-four thousand, nine hundred fifty-one".