2257278553 has 2 divisors, whose sum is σ = 2257278554. Its totient is φ = 2257278552.

The previous prime is 2257278523. The next prime is 2257278557. The reversal of 2257278553 is 3558727522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1177038864 + 1080239689 = 34308^2 + 32867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257278553 - 2⁵ = 2257278521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257278557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128639276 + 1128639277.

It is an arithmetic number, because the mean of its divisors is an integer number (1128639277).

Almost surely, 2^2257278553 is an apocalyptic number.

It is an amenable number.

2257278553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257278553 is an equidigital number, since it uses as much as digits as its factorization.

2257278553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 46.

The square root of 2257278553 is about 47510.8256400581. The cubic root of 2257278553 is about 1311.7821543749.

The spelling of 2257278553 in words is "two billion, two hundred fifty-seven million, two hundred seventy-eight thousand, five hundred fifty-three".