253626313 has 4 divisors (see below), whose sum is σ = 264653568. Its totient is φ = 242599060.

The previous prime is 253626301. The next prime is 253626343. The reversal of 253626313 is 313626352.

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 a de Polignac number, because none of the positive numbers 2^k-253626313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253626343) 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, 5513593 + ... + 5513638.

It is an arithmetic number, because the mean of its divisors is an integer number (66163392).

Almost surely, 2^253626313 is an apocalyptic number.

253626313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253626313 is a deficient number, since it is larger than the sum of its proper divisors (11027255).

253626313 is a wasteful number, since it uses less digits than its factorization.

253626313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11027254.

The product of its digits is 19440, while the sum is 31.

The square root of 253626313 is about 15925.6495314948. The cubic root of 253626313 is about 632.9918273051.

The spelling of 253626313 in words is "two hundred fifty-three million, six hundred twenty-six thousand, three hundred thirteen".