253398337 has 4 divisors (see below), whose sum is σ = 264415680. Its totient is φ = 242380996.

The previous prime is 253398329. The next prime is 253398349. The reversal of 253398337 is 733893352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253398337 - 2³ = 253398329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253398293 and 253398302.

It is not an unprimeable number, because it can be changed into a prime (253398367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508637 + ... + 5508682.

It is an arithmetic number, because the mean of its divisors is an integer number (66103920).

Almost surely, 2^253398337 is an apocalyptic number.

It is an amenable number.

253398337 is a deficient number, since it is larger than the sum of its proper divisors (11017343).

253398337 is a wasteful number, since it uses less digits than its factorization.

253398337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11017342.

The product of its digits is 408240, while the sum is 43.

The square root of 253398337 is about 15918.4904120962. The cubic root of 253398337 is about 632.8021122315.

The spelling of 253398337 in words is "two hundred fifty-three million, three hundred ninety-eight thousand, three hundred thirty-seven".