254653126571 has 2 divisors, whose sum is σ = 254653126572. Its totient is φ = 254653126570.

The previous prime is 254653126529. The next prime is 254653126579. The reversal of 254653126571 is 175621356452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254653126571 is a prime.

It is not a weakly prime, because it can be changed into another prime (254653126579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127326563285 + 127326563286.

It is an arithmetic number, because the mean of its divisors is an integer number (127326563286).

Almost surely, 2^254653126571 is an apocalyptic number.

254653126571 is a deficient number, since it is larger than the sum of its proper divisors (1).

254653126571 is an equidigital number, since it uses as much as digits as its factorization.

254653126571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 47.

The spelling of 254653126571 in words is "two hundred fifty-four billion, six hundred fifty-three million, one hundred twenty-six thousand, five hundred seventy-one".