6425597 has 2 divisors, whose sum is σ = 6425598. Its totient is φ = 6425596.

The previous prime is 6425593. The next prime is 6425599. The reversal of 6425597 is 7955246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5331481 + 1094116 = 2309^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425597 - 2² = 6425593 is a prime.

Together with 6425599, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6425597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6425593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212798 + 3212799.

It is an arithmetic number, because the mean of its divisors is an integer number (3212799).

Almost surely, 2^6425597 is an apocalyptic number.

It is an amenable number.

6425597 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425597 is an equidigital number, since it uses as much as digits as its factorization.

6425597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 6425597 is about 2534.8761310960. The cubic root of 6425597 is about 185.9107464791.

The spelling of 6425597 in words is "six million, four hundred twenty-five thousand, five hundred ninety-seven".