6913957 has 2 divisors, whose sum is σ = 6913958. Its totient is φ = 6913956.

The previous prime is 6913943. The next prime is 6913969. The reversal of 6913957 is 7593196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5239521 + 1674436 = 2289^2 + 1294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6913957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6913987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456978 + 3456979.

It is an arithmetic number, because the mean of its divisors is an integer number (3456979).

Almost surely, 2^6913957 is an apocalyptic number.

It is an amenable number.

6913957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6913957 is an equidigital number, since it uses as much as digits as its factorization.

6913957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 6913957 is about 2629.4404347693. The cubic root of 6913957 is about 190.5061022241.

It can be divided in two parts, 69139 and 57, that added together give a palindrome (69196).

The spelling of 6913957 in words is "six million, nine hundred thirteen thousand, nine hundred fifty-seven".