253682017 has 2 divisors, whose sum is σ = 253682018. Its totient is φ = 253682016.

The previous prime is 253681999. The next prime is 253682087. The reversal of 253682017 is 710286352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253573776 + 108241 = 15924^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 253682017 - 2²³ = 245293409 is a prime.

It is not a weakly prime, because it can be changed into another prime (253682087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126841008 + 126841009.

It is an arithmetic number, because the mean of its divisors is an integer number (126841009).

Almost surely, 2^253682017 is an apocalyptic number.

It is an amenable number.

253682017 is a deficient number, since it is larger than the sum of its proper divisors (1).

253682017 is an equidigital number, since it uses as much as digits as its factorization.

253682017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 253682017 is about 15927.3983123422. The cubic root of 253682017 is about 633.0381652885.

The spelling of 253682017 in words is "two hundred fifty-three million, six hundred eighty-two thousand, seventeen".