255413173 has 4 divisors (see below), whose sum is σ = 257800320. Its totient is φ = 253026028.

The previous prime is 255413159. The next prime is 255413177. The reversal of 255413173 is 371314552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255413173 - 2⁵ = 255413141 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 (255413177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193413 + ... + 1193626.

It is an arithmetic number, because the mean of its divisors is an integer number (64450080).

Almost surely, 2^255413173 is an apocalyptic number.

It is an amenable number.

255413173 is a deficient number, since it is larger than the sum of its proper divisors (2387147).

255413173 is a wasteful number, since it uses less digits than its factorization.

255413173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387146.

The product of its digits is 12600, while the sum is 31.

The square root of 255413173 is about 15981.6511349735. The cubic root of 255413173 is about 634.4748778265.

The spelling of 255413173 in words is "two hundred fifty-five million, four hundred thirteen thousand, one hundred seventy-three".