6975256325 has 6 divisors (see below), whose sum is σ = 8649317874. Its totient is φ = 5580205040.

The previous prime is 6975256319. The next prime is 6975256331. The reversal of 6975256325 is 5236525796.

It is a Cunningham number, because it is equal to 83518²+1.

It is an interprime number because it is at equal distance from previous prime (6975256319) and next prime (6975256331).

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 6975256324 = 1^2 + 83518^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6975256325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139505102 + ... + 139505151.

It is an arithmetic number, because the mean of its divisors is an integer number (1441552979).

Almost surely, 2^6975256325 is an apocalyptic number.

It is an amenable number.

6975256325 is a deficient number, since it is larger than the sum of its proper divisors (1674061549).

6975256325 is a wasteful number, since it uses less digits than its factorization.

6975256325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279010263 (or 279010258 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 50.

The square root of 6975256325 is about 83518.0000059867. Note that the first 5 decimals coincide. The cubic root of 6975256325 is about 1910.6745719025.

The spelling of 6975256325 in words is "six billion, nine hundred seventy-five million, two hundred fifty-six thousand, three hundred twenty-five".