7091317 has 2 divisors, whose sum is σ = 7091318. Its totient is φ = 7091316.

The previous prime is 7091303. The next prime is 7091323. The reversal of 7091317 is 7131907.

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., 4289041 + 2802276 = 2071^2 + 1674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7091317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7091377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545658 + 3545659.

It is an arithmetic number, because the mean of its divisors is an integer number (3545659).

Almost surely, 2^7091317 is an apocalyptic number.

It is an amenable number.

7091317 is a deficient number, since it is larger than the sum of its proper divisors (1).

7091317 is an equidigital number, since it uses as much as digits as its factorization.

7091317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 7091317 is about 2662.9526845215. The cubic root of 7091317 is about 192.1213515979.

The spelling of 7091317 in words is "seven million, ninety-one thousand, three hundred seventeen".