254941354517 has 2 divisors, whose sum is σ = 254941354518. Its totient is φ = 254941354516.

The previous prime is 254941354427. The next prime is 254941354519. The reversal of 254941354517 is 715453149452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253944437041 + 996917476 = 503929^2 + 31574^2 .

It is a cyclic number.

It is not a de Polignac number, because 254941354517 - 2²² = 254937160213 is a prime.

Together with 254941354519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254941354519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127470677258 + 127470677259.

It is an arithmetic number, because the mean of its divisors is an integer number (127470677259).

Almost surely, 2^254941354517 is an apocalyptic number.

It is an amenable number.

254941354517 is a deficient number, since it is larger than the sum of its proper divisors (1).

254941354517 is an equidigital number, since it uses as much as digits as its factorization.

254941354517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 50.

The spelling of 254941354517 in words is "two hundred fifty-four billion, nine hundred forty-one million, three hundred fifty-four thousand, five hundred seventeen".