253513535231 has 8 divisors (see below), whose sum is σ = 277588328400. Its totient is φ = 229610093440.

The previous prime is 253513535213. The next prime is 253513535243. The reversal of 253513535231 is 132535315352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253513535231 - 2⁶ = 253513535167 is a prime.

It is a super-2 number, since 2×253513535231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253513535291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42834746 + ... + 42840663.

It is an arithmetic number, because the mean of its divisors is an integer number (34698541050).

Almost surely, 2^253513535231 is an apocalyptic number.

253513535231 is a deficient number, since it is larger than the sum of its proper divisors (24074793169).

253513535231 is a wasteful number, since it uses less digits than its factorization.

253513535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85675689.

The product of its digits is 202500, while the sum is 38.

The spelling of 253513535231 in words is "two hundred fifty-three billion, five hundred thirteen million, five hundred thirty-five thousand, two hundred thirty-one".