254355302501381 has 2 divisors, whose sum is σ = 254355302501382. Its totient is φ = 254355302501380.

The previous prime is 254355302501371. The next prime is 254355302501459. The reversal of 254355302501381 is 183105203553452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184420718465281 + 69934584036100 = 13580159^2 + 8362690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254355302501381 is a prime.

It is a super-2 number, since 2×254355302501381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254355302501371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127177651250690 + 127177651250691.

It is an arithmetic number, because the mean of its divisors is an integer number (127177651250691).

Almost surely, 2^{254355302501381} is an apocalyptic number.

It is an amenable number.

254355302501381 is a deficient number, since it is larger than the sum of its proper divisors (1).

254355302501381 is an equidigital number, since it uses as much as digits as its factorization.

254355302501381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 254355302501381 in words is "two hundred fifty-four trillion, three hundred fifty-five billion, three hundred two million, five hundred one thousand, three hundred eighty-one".