2257254357 has 4 divisors (see below), whose sum is σ = 3009672480. Its totient is φ = 1504836236.

The previous prime is 2257254347. The next prime is 2257254361. The reversal of 2257254357 is 7534527522.

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 2257254357 - 2²² = 2253060053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257254347) 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, 376209057 + ... + 376209062.

It is an arithmetic number, because the mean of its divisors is an integer number (752418120).

Almost surely, 2^2257254357 is an apocalyptic number.

It is an amenable number.

2257254357 is a deficient number, since it is larger than the sum of its proper divisors (752418123).

2257254357 is an equidigital number, since it uses as much as digits as its factorization.

2257254357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752418122.

The product of its digits is 588000, while the sum is 42.

The square root of 2257254357 is about 47510.5710026727. The cubic root of 2257254357 is about 1311.7774673157. Note that the first 3 decimals are identical.

The spelling of 2257254357 in words is "two billion, two hundred fifty-seven million, two hundred fifty-four thousand, three hundred fifty-seven".