254972279 has 4 divisors (see below), whose sum is σ = 255742920. Its totient is φ = 254201640.

The previous prime is 254972269. The next prime is 254972297. The reversal of 254972279 is 972279452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 254972279 - 2⁸ = 254972023 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 (254972219) 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, 384824 + ... + 385485.

It is an arithmetic number, because the mean of its divisors is an integer number (63935730).

Almost surely, 2^254972279 is an apocalyptic number.

254972279 is a deficient number, since it is larger than the sum of its proper divisors (770641).

254972279 is an equidigital number, since it uses as much as digits as its factorization.

254972279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770640.

The product of its digits is 635040, while the sum is 47.

The square root of 254972279 is about 15967.8514209019. The cubic root of 254972279 is about 634.1095908966.

The spelling of 254972279 in words is "two hundred fifty-four million, nine hundred seventy-two thousand, two hundred seventy-nine".