2617081 has 2 divisors, whose sum is σ = 2617082. Its totient is φ = 2617080.

The previous prime is 2617067. The next prime is 2617091. The reversal of 2617081 is 1807162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 5625 = 1616^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 2617081 - 2¹³ = 2608889 is a prime.

It is a super-2 number, since 2×2617081² = 13698225921122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2617001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308540 + 1308541.

It is an arithmetic number, because the mean of its divisors is an integer number (1308541).

2^2617081 is an apocalyptic number.

It is an amenable number.

2617081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2617081 is an equidigital number, since it uses as much as digits as its factorization.

2617081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2617081 is about 1617.7394722266. The cubic root of 2617081 is about 137.8073521369.

The spelling of 2617081 in words is "two million, six hundred seventeen thousand, eighty-one".