257050127560381 has 2 divisors, whose sum is σ = 257050127560382. Its totient is φ = 257050127560380.

The previous prime is 257050127560321. The next prime is 257050127560393. The reversal of 257050127560381 is 183065721050752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254465219265156 + 2584908295225 = 15951966^2 + 1607765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257050127560381 is a prime.

It is a super-2 number, since 2×257050127560381² (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 (257050127560321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128525063780190 + 128525063780191.

It is an arithmetic number, because the mean of its divisors is an integer number (128525063780191).

Almost surely, 2^{257050127560381} is an apocalyptic number.

It is an amenable number.

257050127560381 is a deficient number, since it is larger than the sum of its proper divisors (1).

257050127560381 is an equidigital number, since it uses as much as digits as its factorization.

257050127560381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 257050127560381 in words is "two hundred fifty-seven trillion, fifty billion, one hundred twenty-seven million, five hundred sixty thousand, three hundred eighty-one".