2597971 has 2 divisors, whose sum is σ = 2597972. Its totient is φ = 2597970.

The previous prime is 2597963. The next prime is 2597977. The reversal of 2597971 is 1797952.

2597971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2597971 - 2³ = 2597963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2597977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1298985 + 1298986.

It is an arithmetic number, because the mean of its divisors is an integer number (1298986).

2^2597971 is an apocalyptic number.

2597971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2597971 is an equidigital number, since it uses as much as digits as its factorization.

2597971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 2597971 is about 1611.8222606727. The cubic root of 2597971 is about 137.4711079791.

The spelling of 2597971 in words is "two million, five hundred ninety-seven thousand, nine hundred seventy-one".