2616217 has 2 divisors, whose sum is σ = 2616218. Its totient is φ = 2616216.

The previous prime is 2616209. The next prime is 2616221. The reversal of 2616217 is 7126162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 4761 = 1616^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 2616217 - 2³ = 2616209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2616191 and 2616200.

It is not a weakly prime, because it can be changed into another prime (2616277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308108 + 1308109.

It is an arithmetic number, because the mean of its divisors is an integer number (1308109).

2^2616217 is an apocalyptic number.

It is an amenable number.

2616217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616217 is an equidigital number, since it uses as much as digits as its factorization.

2616217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 2616217 is about 1617.4724108930. The cubic root of 2616217 is about 137.7921852828.

The spelling of 2616217 in words is "two million, six hundred sixteen thousand, two hundred seventeen".