254165040097 has 2 divisors, whose sum is σ = 254165040098. Its totient is φ = 254165040096.

The previous prime is 254165039987. The next prime is 254165040109. The reversal of 254165040097 is 790040561452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219271173696 + 34893866401 = 468264^2 + 186799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254165040097 is a prime.

It is not a weakly prime, because it can be changed into another prime (254165040497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127082520048 + 127082520049.

It is an arithmetic number, because the mean of its divisors is an integer number (127082520049).

Almost surely, 2^254165040097 is an apocalyptic number.

It is an amenable number.

254165040097 is a deficient number, since it is larger than the sum of its proper divisors (1).

254165040097 is an equidigital number, since it uses as much as digits as its factorization.

254165040097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 254165040097 in words is "two hundred fifty-four billion, one hundred sixty-five million, forty thousand, ninety-seven".