2913997 has 2 divisors, whose sum is σ = 2913998. Its totient is φ = 2913996.

The previous prime is 2913979. The next prime is 2914001. The reversal of 2913997 is 7993192.

Together with previous prime (2913979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2172676 + 741321 = 1474^2 + 861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2913997 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2913497) 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, 1456998 + 1456999.

It is an arithmetic number, because the mean of its divisors is an integer number (1456999).

2^2913997 is an apocalyptic number.

It is an amenable number.

2913997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2913997 is an equidigital number, since it uses as much as digits as its factorization.

2913997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 40.

The square root of 2913997 is about 1707.0433503576. The cubic root of 2913997 is about 142.8333756175.

The spelling of 2913997 in words is "two million, nine hundred thirteen thousand, nine hundred ninety-seven".