254653126531 has 12 divisors (see below), whose sum is σ = 256818080064. Its totient is φ = 252498708000.

The previous prime is 254653126529. The next prime is 254653126571. The reversal of 254653126531 is 135621356452.

It is not a de Polignac number, because 254653126531 - 2¹ = 254653126529 is a prime.

It is a super-2 number, since 2×254653126531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254653126571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22040206 + ... + 22051756.

It is an arithmetic number, because the mean of its divisors is an integer number (21401506672).

Almost surely, 2^254653126531 is an apocalyptic number.

254653126531 is a deficient number, since it is larger than the sum of its proper divisors (2164953533).

254653126531 is an equidigital number, since it uses as much as digits as its factorization.

254653126531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12081 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 254653126531 in words is "two hundred fifty-four billion, six hundred fifty-three million, one hundred twenty-six thousand, five hundred thirty-one".