2598403 has 2 divisors, whose sum is σ = 2598404. Its totient is φ = 2598402.

The previous prime is 2598397. The next prime is 2598439. The reversal of 2598403 is 3048952.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2598403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2598443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299201 + 1299202.

It is an arithmetic number, because the mean of its divisors is an integer number (1299202).

2^2598403 is an apocalyptic number.

2598403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598403 is an equidigital number, since it uses as much as digits as its factorization.

2598403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2598403 is about 1611.9562649154. The cubic root of 2598403 is about 137.4787272876.

The spelling of 2598403 in words is "two million, five hundred ninety-eight thousand, four hundred three".