2598121 has 2 divisors, whose sum is σ = 2598122. Its totient is φ = 2598120.

The previous prime is 2598119. The next prime is 2598133. The reversal of 2598121 is 1218952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 1243225 = 1164^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598121 - 2¹ = 2598119 is a prime.

Together with 2598119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2598121.

It is not a weakly prime, because it can be changed into another prime (2598151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299060 + 1299061.

It is an arithmetic number, because the mean of its divisors is an integer number (1299061).

2^2598121 is an apocalyptic number.

It is an amenable number.

2598121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598121 is an equidigital number, since it uses as much as digits as its factorization.

2598121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 2598121 is about 1611.8687911862. The cubic root of 2598121 is about 137.4737536680.

The spelling of 2598121 in words is "two million, five hundred ninety-eight thousand, one hundred twenty-one".