253313101165 has 4 divisors (see below), whose sum is σ = 303975721404. Its totient is φ = 202650480928.

The previous prime is 253313101159. The next prime is 253313101219. The reversal of 253313101165 is 561101313352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 111453151716 + 141859949449 = 333846^2 + 376643^2 .

It is a cyclic number.

It is not a de Polignac number, because 253313101165 - 2³ = 253313101157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25331310112 + ... + 25331310121.

It is an arithmetic number, because the mean of its divisors is an integer number (75993930351).

Almost surely, 2^253313101165 is an apocalyptic number.

It is an amenable number.

253313101165 is a deficient number, since it is larger than the sum of its proper divisors (50662620239).

253313101165 is an equidigital number, since it uses as much as digits as its factorization.

253313101165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50662620238.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 253313101165 in words is "two hundred fifty-three billion, three hundred thirteen million, one hundred one thousand, one hundred sixty-five".