254679 has 8 divisors (see below), whose sum is σ = 354432. Its totient is φ = 162360.

The previous prime is 254663. The next prime is 254699. The reversal of 254679 is 976452.

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

It is not a de Polignac number, because 254679 - 2⁴ = 254663 is a prime.

It is a super-2 number, since 2×254679² = 129722786082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777 + ... + 1914.

It is an arithmetic number, because the mean of its divisors is an integer number (44304).

2²⁵⁴⁶⁷⁹ is an apocalyptic number.

254679 is a deficient number, since it is larger than the sum of its proper divisors (99753).

254679 is a wasteful number, since it uses less digits than its factorization.

254679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717.

The product of its digits is 15120, while the sum is 33.

The square root of 254679 is about 504.6573094685. The cubic root of 254679 is about 63.3866371808.

The spelling of 254679 in words is "two hundred fifty-four thousand, six hundred seventy-nine".