254479243 has 8 divisors (see below), whose sum is σ = 256633760. Its totient is φ = 252331200.

The previous prime is 254479223. The next prime is 254479249. The reversal of 254479243 is 342974452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254479243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254479196 and 254479205.

It is not an unprimeable number, because it can be changed into a prime (254479249) 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, 105871 + ... + 108247.

It is an arithmetic number, because the mean of its divisors is an integer number (32079220).

Almost surely, 2^254479243 is an apocalyptic number.

254479243 is a deficient number, since it is larger than the sum of its proper divisors (2154517).

254479243 is a wasteful number, since it uses less digits than its factorization.

254479243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237.

The product of its digits is 241920, while the sum is 40.

The square root of 254479243 is about 15952.4055552760. The cubic root of 254479243 is about 633.7006044907.

The spelling of 254479243 in words is "two hundred fifty-four million, four hundred seventy-nine thousand, two hundred forty-three".