254299979 has 4 divisors (see below), whose sum is σ = 260213976. Its totient is φ = 248385984.

The previous prime is 254299961. The next prime is 254299993. The reversal of 254299979 is 979992452.

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 254299979 - 2¹⁶ = 254234443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254299909) 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, 2956934 + ... + 2957019.

It is an arithmetic number, because the mean of its divisors is an integer number (65053494).

Almost surely, 2^254299979 is an apocalyptic number.

254299979 is a deficient number, since it is larger than the sum of its proper divisors (5913997).

254299979 is an equidigital number, since it uses as much as digits as its factorization.

254299979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913996.

The product of its digits is 3674160, while the sum is 56.

The square root of 254299979 is about 15946.7858517006. The cubic root of 254299979 is about 633.5517693129.

The spelling of 254299979 in words is "two hundred fifty-four million, two hundred ninety-nine thousand, nine hundred seventy-nine".