254275657 has 2 divisors, whose sum is σ = 254275658. Its totient is φ = 254275656.

The previous prime is 254275621. The next prime is 254275691. The reversal of 254275657 is 756572452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201044041 + 53231616 = 14179^2 + 7296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254275657 is a prime.

It is a super-2 number, since 2×254275657² = 129312219485563298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254275607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127137828 + 127137829.

It is an arithmetic number, because the mean of its divisors is an integer number (127137829).

Almost surely, 2^254275657 is an apocalyptic number.

It is an amenable number.

254275657 is a deficient number, since it is larger than the sum of its proper divisors (1).

254275657 is an equidigital number, since it uses as much as digits as its factorization.

254275657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588000, while the sum is 43.

The square root of 254275657 is about 15946.0232346501. The cubic root of 254275657 is about 633.5315704157.

The spelling of 254275657 in words is "two hundred fifty-four million, two hundred seventy-five thousand, six hundred fifty-seven".