253379451 has 8 divisors (see below), whose sum is σ = 363826960. Its totient is φ = 155925792.

The previous prime is 253379437. The next prime is 253379473. The reversal of 253379451 is 154973352.

It is a happy number.

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

It is not a de Polignac number, because 253379451 - 2⁶ = 253379387 is a prime.

It is a super-2 number, since 2×253379451² = 128402292378122802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6496909 = 253379451 / (2 + 5 + 3 + 3 + 7 + 9 + 4 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253379251) 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, 3248416 + ... + 3248493.

It is an arithmetic number, because the mean of its divisors is an integer number (45478370).

Almost surely, 2^253379451 is an apocalyptic number.

253379451 is a deficient number, since it is larger than the sum of its proper divisors (110447509).

253379451 is a wasteful number, since it uses less digits than its factorization.

253379451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496925.

The product of its digits is 113400, while the sum is 39.

The square root of 253379451 is about 15917.8971915263. The cubic root of 253379451 is about 632.7863907423.

The spelling of 253379451 in words is "two hundred fifty-three million, three hundred seventy-nine thousand, four hundred fifty-one".