253248039 has 72 divisors (see below), whose sum is σ = 432216720. Its totient is φ = 148191120.

The previous prime is 253248019. The next prime is 253248041. The reversal of 253248039 is 930842352.

It is not a de Polignac number, because 253248039 - 2²³ = 244859431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253247994 and 253248012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253248019) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8732677 + ... + 8732705.

It is an arithmetic number, because the mean of its divisors is an integer number (6003010).

Almost surely, 2^253248039 is an apocalyptic number.

253248039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

253248039 is a deficient number, since it is larger than the sum of its proper divisors (178968681).

253248039 is an frugal number, since it uses more digits than its factorization.

253248039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 253248039 is about 15913.7688496472. The cubic root of 253248039 is about 632.6769763115.

The spelling of 253248039 in words is "two hundred fifty-three million, two hundred forty-eight thousand, thirty-nine".