2580917 has 2 divisors, whose sum is σ = 2580918. Its totient is φ = 2580916.

The previous prime is 2580901. The next prime is 2580931. The reversal of 2580917 is 7190852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2579236 + 1681 = 1606^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580917 - 2⁴ = 2580901 is a prime.

It is a super-2 number, since 2×2580917² = 13322265121778, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290458 + 1290459.

It is an arithmetic number, because the mean of its divisors is an integer number (1290459).

2^2580917 is an apocalyptic number.

It is an amenable number.

2580917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580917 is an equidigital number, since it uses as much as digits as its factorization.

2580917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2580917 is about 1606.5232646930. The cubic root of 2580917 is about 137.1696443934.

The spelling of 2580917 in words is "two million, five hundred eighty thousand, nine hundred seventeen".