253768117 has 2 divisors, whose sum is σ = 253768118. Its totient is φ = 253768116.

The previous prime is 253768079. The next prime is 253768127. The reversal of 253768117 is 711867352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180391761 + 73376356 = 13431^2 + 8566^2 .

It is a cyclic number.

It is not a de Polignac number, because 253768117 - 2¹¹ = 253766069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253768117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253768127) 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, 126884058 + 126884059.

It is an arithmetic number, because the mean of its divisors is an integer number (126884059).

Almost surely, 2^253768117 is an apocalyptic number.

It is an amenable number.

253768117 is a deficient number, since it is larger than the sum of its proper divisors (1).

253768117 is an equidigital number, since it uses as much as digits as its factorization.

253768117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 253768117 is about 15930.1009726869. The cubic root of 253768117 is about 633.1097751744.

The spelling of 253768117 in words is "two hundred fifty-three million, seven hundred sixty-eight thousand, one hundred seventeen".