626255313 has 4 divisors (see below), whose sum is σ = 835007088. Its totient is φ = 417503540.

The previous prime is 626255297. The next prime is 626255327. The reversal of 626255313 is 313552626.

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 626255313 - 2⁴ = 626255297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (626255813) 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, 104375883 + ... + 104375888.

It is an arithmetic number, because the mean of its divisors is an integer number (208751772).

Almost surely, 2^626255313 is an apocalyptic number.

It is an amenable number.

626255313 is a deficient number, since it is larger than the sum of its proper divisors (208751775).

626255313 is a wasteful number, since it uses less digits than its factorization.

626255313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208751774.

The product of its digits is 32400, while the sum is 33.

The square root of 626255313 is about 25025.0936661584. The cubic root of 626255313 is about 855.5600052098.

The spelling of 626255313 in words is "six hundred twenty-six million, two hundred fifty-five thousand, three hundred thirteen".