6375637 has 2 divisors, whose sum is σ = 6375638. Its totient is φ = 6375636.

The previous prime is 6375631. The next prime is 6375643. The reversal of 6375637 is 7365736.

It is a balanced prime because it is at equal distance from previous prime (6375631) and next prime (6375643).

It can be written as a sum of positive squares in only one way, i.e., 6345361 + 30276 = 2519^2 + 174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6375637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6375596 and 6375605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6375631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187818 + 3187819.

It is an arithmetic number, because the mean of its divisors is an integer number (3187819).

Almost surely, 2^6375637 is an apocalyptic number.

It is an amenable number.

6375637 is a deficient number, since it is larger than the sum of its proper divisors (1).

6375637 is an equidigital number, since it uses as much as digits as its factorization.

6375637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 37.

The square root of 6375637 is about 2525.0023762365. The cubic root of 6375637 is about 185.4276641263.

Subtracting 6375637 from its reverse (7365736), we obtain a palindrome (990099).

The spelling of 6375637 in words is "six million, three hundred seventy-five thousand, six hundred thirty-seven".