6375131257 has 8 divisors (see below), whose sum is σ = 7363788192. Its totient is φ = 5454657600.

The previous prime is 6375131239. The next prime is 6375131261. The reversal of 6375131257 is 7521315736.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6375131257 - 2¹⁹ = 6374606969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6375131227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17045619 + ... + 17045992.

It is an arithmetic number, because the mean of its divisors is an integer number (920473524).

Almost surely, 2^6375131257 is an apocalyptic number.

It is an amenable number.

6375131257 is a deficient number, since it is larger than the sum of its proper divisors (988656935).

6375131257 is a wasteful number, since it uses less digits than its factorization.

6375131257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34091639.

The product of its digits is 132300, while the sum is 40.

The square root of 6375131257 is about 79844.4190723434. The cubic root of 6375131257 is about 1854.2276102285.

The spelling of 6375131257 in words is "six billion, three hundred seventy-five million, one hundred thirty-one thousand, two hundred fifty-seven".