375131381257 has 2 divisors, whose sum is σ = 375131381258. Its totient is φ = 375131381256.

The previous prime is 375131381239. The next prime is 375131381353. The reversal of 375131381257 is 752183131573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337167196921 + 37964184336 = 580661^2 + 194844^2 .

It is a cyclic number.

It is not a de Polignac number, because 375131381257 - 2²³ = 375122992649 is a prime.

It is not a weakly prime, because it can be changed into another prime (375131381237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187565690628 + 187565690629.

It is an arithmetic number, because the mean of its divisors is an integer number (187565690629).

Almost surely, 2^375131381257 is an apocalyptic number.

It is an amenable number.

375131381257 is a deficient number, since it is larger than the sum of its proper divisors (1).

375131381257 is an equidigital number, since it uses as much as digits as its factorization.

375131381257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

It can be divided in two parts, 37513 and 1381257, that added together give a triangular number (1418770 = T₁₆₈₄).

The spelling of 375131381257 in words is "three hundred seventy-five billion, one hundred thirty-one million, three hundred eighty-one thousand, two hundred fifty-seven".