2598401 has 4 divisors (see below), whose sum is σ = 2798292. Its totient is φ = 2398512.

The previous prime is 2598397. The next prime is 2598403. The reversal of 2598401 is 1048952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 970225 = 1276^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598401 - 2² = 2598397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2598403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99926 + ... + 99951.

It is an arithmetic number, because the mean of its divisors is an integer number (699573).

2^2598401 is an apocalyptic number.

It is an amenable number.

2598401 is a deficient number, since it is larger than the sum of its proper divisors (199891).

2598401 is a wasteful number, since it uses less digits than its factorization.

2598401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199890.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2598401 is about 1611.9556445511. The cubic root of 2598401 is about 137.4786920149.

The spelling of 2598401 in words is "two million, five hundred ninety-eight thousand, four hundred one".