254631 has 8 divisors (see below), whose sum is σ = 365680. Its totient is φ = 156672.

The previous prime is 254627. The next prime is 254647. The reversal of 254631 is 136452.

It is a happy number.

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

It is not a de Polignac number, because 254631 - 2² = 254627 is a prime.

It is a super-2 number, since 2×254631² = 129673892322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254598 and 254607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3226 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (45710).

2²⁵⁴⁶³¹ is an apocalyptic number.

254631 is a deficient number, since it is larger than the sum of its proper divisors (111049).

254631 is a wasteful number, since it uses less digits than its factorization.

254631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545.

The product of its digits is 720, while the sum is 21.

The square root of 254631 is about 504.6097502031. The cubic root of 254631 is about 63.3826547169.

It can be divided in two parts, 25 and 4631, that added together give a triangular number (4656 = T₉₆).

The spelling of 254631 in words is "two hundred fifty-four thousand, six hundred thirty-one".