254715164761 has 2 divisors, whose sum is σ = 254715164762. Its totient is φ = 254715164760.

The previous prime is 254715164729. The next prime is 254715164783. The reversal of 254715164761 is 167461517452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181097909136 + 73617255625 = 425556^2 + 271325^2 .

It is a cyclic number.

It is not a de Polignac number, because 254715164761 - 2⁵ = 254715164729 is a prime.

It is not a weakly prime, because it can be changed into another prime (254715164261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127357582380 + 127357582381.

It is an arithmetic number, because the mean of its divisors is an integer number (127357582381).

Almost surely, 2^254715164761 is an apocalyptic number.

It is an amenable number.

254715164761 is a deficient number, since it is larger than the sum of its proper divisors (1).

254715164761 is an equidigital number, since it uses as much as digits as its factorization.

254715164761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The spelling of 254715164761 in words is "two hundred fifty-four billion, seven hundred fifteen million, one hundred sixty-four thousand, seven hundred sixty-one".