254002679 has 4 divisors (see below), whose sum is σ = 290288784. Its totient is φ = 217716576.

The previous prime is 254002657. The next prime is 254002681. The reversal of 254002679 is 976200452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 254002679 - 2¹² = 253998583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254002649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18143042 + ... + 18143055.

It is an arithmetic number, because the mean of its divisors is an integer number (72572196).

Almost surely, 2^254002679 is an apocalyptic number.

254002679 is a deficient number, since it is larger than the sum of its proper divisors (36286105).

254002679 is an equidigital number, since it uses as much as digits as its factorization.

254002679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36286104.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 254002679 is about 15937.4614979927. The cubic root of 254002679 is about 633.3047796607.

The spelling of 254002679 in words is "two hundred fifty-four million, two thousand, six hundred seventy-nine".