7125617 has 2 divisors, whose sum is σ = 7125618. Its totient is φ = 7125616.

The previous prime is 7125611. The next prime is 7125649. The reversal of 7125617 is 7165217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5340721 + 1784896 = 2311^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125617 - 2⁶ = 7125553 is a prime.

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 7125617.

It is not a weakly prime, because it can be changed into another prime (7125611) 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, 3562808 + 3562809.

It is an arithmetic number, because the mean of its divisors is an integer number (3562809).

Almost surely, 2^7125617 is an apocalyptic number.

It is an amenable number.

7125617 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125617 is an equidigital number, since it uses as much as digits as its factorization.

7125617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 7125617 is about 2669.3851351950. The cubic root of 7125617 is about 192.4306108484.

The spelling of 7125617 in words is "seven million, one hundred twenty-five thousand, six hundred seventeen".