253876457 has 2 divisors, whose sum is σ = 253876458. Its totient is φ = 253876456.

The previous prime is 253876433. The next prime is 253876471. The reversal of 253876457 is 754678352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198359056 + 55517401 = 14084^2 + 7451^2 .

It is a cyclic number.

It is not a de Polignac number, because 253876457 - 2⁶ = 253876393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253873457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126938228 + 126938229.

It is an arithmetic number, because the mean of its divisors is an integer number (126938229).

Almost surely, 2^253876457 is an apocalyptic number.

It is an amenable number.

253876457 is a deficient number, since it is larger than the sum of its proper divisors (1).

253876457 is an equidigital number, since it uses as much as digits as its factorization.

253876457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 47.

The square root of 253876457 is about 15933.5010904697. The cubic root of 253876457 is about 633.1998591917.

The spelling of 253876457 in words is "two hundred fifty-three million, eight hundred seventy-six thousand, four hundred fifty-seven".