2617957 has 2 divisors, whose sum is σ = 2617958. Its totient is φ = 2617956.

The previous prime is 2617907. The next prime is 2617961. The reversal of 2617957 is 7597162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2563201 + 54756 = 1601^2 + 234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2617957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2617907) 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, 1308978 + 1308979.

It is an arithmetic number, because the mean of its divisors is an integer number (1308979).

2^2617957 is an apocalyptic number.

It is an amenable number.

2617957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2617957 is an equidigital number, since it uses as much as digits as its factorization.

2617957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 2617957 is about 1618.0101977429. The cubic root of 2617957 is about 137.8227262342.

The spelling of 2617957 in words is "two million, six hundred seventeen thousand, nine hundred fifty-seven".