254351231 has 12 divisors (see below), whose sum is σ = 260133192. Its totient is φ = 248681664.

The previous prime is 254351221. The next prime is 254351239. The reversal of 254351231 is 132153452.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-254351231 is a prime.

It is a super-2 number, since 2×254351231² = 129389097422430722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254351231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254351239) 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, 1291025 + ... + 1291221.

It is an arithmetic number, because the mean of its divisors is an integer number (21677766).

Almost surely, 2^254351231 is an apocalyptic number.

254351231 is a deficient number, since it is larger than the sum of its proper divisors (5781961).

254351231 is an equidigital number, since it uses as much as digits as its factorization.

254351231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 449 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 254351231 is about 15948.3927403359. The cubic root of 254351231 is about 633.5943287792.

The spelling of 254351231 in words is "two hundred fifty-four million, three hundred fifty-one thousand, two hundred thirty-one".