2598091 has 2 divisors, whose sum is σ = 2598092. Its totient is φ = 2598090.

The previous prime is 2597981. The next prime is 2598109. The reversal of 2598091 is 1908952.

Together with next prime (2598109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2598091 - 2⁷ = 2597963 is a prime.

2598091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2598191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299045 + 1299046.

It is an arithmetic number, because the mean of its divisors is an integer number (1299046).

2^2598091 is an apocalyptic number.

2598091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598091 is an equidigital number, since it uses as much as digits as its factorization.

2598091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2598091 is about 1611.8594851909. The cubic root of 2598091 is about 137.4732245384.

The spelling of 2598091 in words is "two million, five hundred ninety-eight thousand, ninety-one".