2617997 has 2 divisors, whose sum is σ = 2617998. Its totient is φ = 2617996.

The previous prime is 2617987. The next prime is 2618003. The reversal of 2617997 is 7997162.

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., 1394761 + 1223236 = 1181^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2617997 - 2¹² = 2613901 is a prime.

It is a Chen 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, 1308998 + 1308999.

It is an arithmetic number, because the mean of its divisors is an integer number (1308999).

2^2617997 is an apocalyptic number.

It is an amenable number.

2617997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2617997 is an equidigital number, since it uses as much as digits as its factorization.

2617997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 41.

The square root of 2617997 is about 1618.0225585572. The cubic root of 2617997 is about 137.8234281659.

The spelling of 2617997 in words is "two million, six hundred seventeen thousand, nine hundred ninety-seven".