253273135631 has 4 divisors (see below), whose sum is σ = 268171555392. Its totient is φ = 238374715872.

The previous prime is 253273135519. The next prime is 253273135651. The reversal of 253273135631 is 136531372352.

253273135631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253273135631 - 2²² = 253268941327 is a prime.

It is a super-3 number, since 3×253273135631³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253273135651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449209855 + ... + 7449209888.

It is an arithmetic number, because the mean of its divisors is an integer number (67042888848).

Almost surely, 2^253273135631 is an apocalyptic number.

253273135631 is a deficient number, since it is larger than the sum of its proper divisors (14898419761).

253273135631 is a wasteful number, since it uses less digits than its factorization.

253273135631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898419760.

The product of its digits is 340200, while the sum is 41.

The spelling of 253273135631 in words is "two hundred fifty-three billion, two hundred seventy-three million, one hundred thirty-five thousand, six hundred thirty-one".