2257701253 has 4 divisors (see below), whose sum is σ = 2257899840. Its totient is φ = 2257502668.

The previous prime is 2257701247. The next prime is 2257701323. The reversal of 2257701253 is 3521077522.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3521077522 = 2 ⋅1760538761.

It is a cyclic number.

It is not a de Polignac number, because 2257701253 - 2⁵ = 2257701221 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 (2257705253) 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, 81133 + ... + 105346.

It is an arithmetic number, because the mean of its divisors is an integer number (564474960).

Almost surely, 2^2257701253 is an apocalyptic number.

It is an amenable number.

2257701253 is a deficient number, since it is larger than the sum of its proper divisors (198587).

2257701253 is a wasteful number, since it uses less digits than its factorization.

2257701253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198586.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 2257701253 is about 47515.2738916656. The cubic root of 2257701253 is about 1311.8640310973.

Adding to 2257701253 its reverse (3521077522), we get a palindrome (5778778775).

The spelling of 2257701253 in words is "two billion, two hundred fifty-seven million, seven hundred one thousand, two hundred fifty-three".