253254939 has 8 divisors (see below), whose sum is σ = 385912320. Its totient is φ = 144717096.

The previous prime is 253254931. The next prime is 253254943. The reversal of 253254939 is 939452352.

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

It is not a de Polignac number, because 253254939 - 2³ = 253254931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253254939.

It is not an unprimeable number, because it can be changed into a prime (253254931) 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, 6029859 + ... + 6029900.

It is an arithmetic number, because the mean of its divisors is an integer number (48239040).

Almost surely, 2^253254939 is an apocalyptic number.

253254939 is a deficient number, since it is larger than the sum of its proper divisors (132657381).

253254939 is a wasteful number, since it uses less digits than its factorization.

253254939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12059769.

The product of its digits is 291600, while the sum is 42.

The square root of 253254939 is about 15913.9856415670. The cubic root of 253254939 is about 632.6827222349.

The spelling of 253254939 in words is "two hundred fifty-three million, two hundred fifty-four thousand, nine hundred thirty-nine".