6375657 has 4 divisors (see below), whose sum is σ = 8500880. Its totient is φ = 4250436.

The previous prime is 6375647. The next prime is 6375667. The reversal of 6375657 is 7565736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6375647) and next prime (6375667).

It is not a de Polignac number, because 6375657 - 2⁸ = 6375401 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6375617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062607 + ... + 1062612.

It is an arithmetic number, because the mean of its divisors is an integer number (2125220).

Almost surely, 2^6375657 is an apocalyptic number.

It is an amenable number.

6375657 is a deficient number, since it is larger than the sum of its proper divisors (2125223).

6375657 is a wasteful number, since it uses less digits than its factorization.

6375657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125222.

The product of its digits is 132300, while the sum is 39.

The square root of 6375657 is about 2525.0063366257. The cubic root of 6375657 is about 185.4278580180.

The spelling of 6375657 in words is "six million, three hundred seventy-five thousand, six hundred fifty-seven".