2580997 has 2 divisors, whose sum is σ = 2580998. Its totient is φ = 2580996.

The previous prime is 2580973. The next prime is 2581003. The reversal of 2580997 is 7990852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2172676 + 408321 = 1474^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580997 - 2¹⁵ = 2548229 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 (2580917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290498 + 1290499.

It is an arithmetic number, because the mean of its divisors is an integer number (1290499).

2^2580997 is an apocalyptic number.

It is an amenable number.

2580997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580997 is an equidigital number, since it uses as much as digits as its factorization.

2580997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2580997 is about 1606.5481629880. The cubic root of 2580997 is about 137.1710616491.

The spelling of 2580997 in words is "two million, five hundred eighty thousand, nine hundred ninety-seven".