253413479 has 4 divisors (see below), whose sum is σ = 276451080. Its totient is φ = 230375880.

The previous prime is 253413473. The next prime is 253413487. The reversal of 253413479 is 974314352.

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 253413479 - 2⁴ = 253413463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253413473) 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, 11518784 + ... + 11518805.

It is an arithmetic number, because the mean of its divisors is an integer number (69112770).

Almost surely, 2^253413479 is an apocalyptic number.

253413479 is a deficient number, since it is larger than the sum of its proper divisors (23037601).

253413479 is a wasteful number, since it uses less digits than its factorization.

253413479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23037600.

The product of its digits is 90720, while the sum is 38.

The square root of 253413479 is about 15918.9660154170. The cubic root of 253413479 is about 632.8147164956.

The spelling of 253413479 in words is "two hundred fifty-three million, four hundred thirteen thousand, four hundred seventy-nine".