2257705253 has 2 divisors, whose sum is σ = 2257705254. Its totient is φ = 2257705252.

The previous prime is 2257705249. The next prime is 2257705259. The reversal of 2257705253 is 3525077522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1732057924 + 525647329 = 41618^2 + 22927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257705253 - 2² = 2257705249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257705259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128852626 + 1128852627.

It is an arithmetic number, because the mean of its divisors is an integer number (1128852627).

Almost surely, 2^2257705253 is an apocalyptic number.

It is an amenable number.

2257705253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257705253 is an equidigital number, since it uses as much as digits as its factorization.

2257705253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 2257705253 is about 47515.3159833753. The cubic root of 2257705253 is about 1311.8648058460.

The spelling of 2257705253 in words is "two billion, two hundred fifty-seven million, seven hundred five thousand, two hundred fifty-three".