6375391 has 16 divisors (see below), whose sum is σ = 7458048. Its totient is φ = 5385600.

The previous prime is 6375361. The next prime is 6375401. The reversal of 6375391 is 1935736.

It is not a de Polignac number, because 6375391 - 2¹⁹ = 5851103 is a prime.

It is a super-2 number, since 2×6375391² = 81291220805762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6375311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19096 + ... + 19426.

It is an arithmetic number, because the mean of its divisors is an integer number (466128).

Almost surely, 2^6375391 is an apocalyptic number.

6375391 is a deficient number, since it is larger than the sum of its proper divisors (1082657).

6375391 is a wasteful number, since it uses less digits than its factorization.

6375391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 17010, while the sum is 34.

The square root of 6375391 is about 2524.9536629412. The cubic root of 6375391 is about 185.4252792251.

The spelling of 6375391 in words is "six million, three hundred seventy-five thousand, three hundred ninety-one".