253814657 has 2 divisors, whose sum is σ = 253814658. Its totient is φ = 253814656.

The previous prime is 253814653. The next prime is 253814663. The reversal of 253814657 is 756418352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155725441 + 98089216 = 12479^2 + 9904^2 .

It is a cyclic number.

It is not a de Polignac number, because 253814657 - 2² = 253814653 is a prime.

It is not a weakly prime, because it can be changed into another prime (253814653) 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 as a sum of consecutive naturals, namely, 126907328 + 126907329.

It is an arithmetic number, because the mean of its divisors is an integer number (126907329).

Almost surely, 2^253814657 is an apocalyptic number.

It is an amenable number.

253814657 is a deficient number, since it is larger than the sum of its proper divisors (1).

253814657 is an equidigital number, since it uses as much as digits as its factorization.

253814657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 253814657 is about 15931.5616623104. The cubic root of 253814657 is about 633.1484760276.

The spelling of 253814657 in words is "two hundred fifty-three million, eight hundred fourteen thousand, six hundred fifty-seven".