2598505405 has 16 divisors (see below), whose sum is σ = 3223678464. Its totient is φ = 2008693440.

The previous prime is 2598505387. The next prime is 2598505423. The reversal of 2598505405 is 5045058952.

It is an interprime number because it is at equal distance from previous prime (2598505387) and next prime (2598505423).

It is not a de Polignac number, because 2598505405 - 2⁵ = 2598505373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92554 + ... + 117316.

It is an arithmetic number, because the mean of its divisors is an integer number (201479904).

Almost surely, 2^2598505405 is an apocalyptic number.

It is an amenable number.

2598505405 is a deficient number, since it is larger than the sum of its proper divisors (625173059).

2598505405 is a wasteful number, since it uses less digits than its factorization.

2598505405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25476.

The product of its (nonzero) digits is 360000, while the sum is 43.

The square root of 2598505405 is about 50975.5373193849. The cubic root of 2598505405 is about 1374.8053331023.

The spelling of 2598505405 in words is "two billion, five hundred ninety-eight million, five hundred five thousand, four hundred five".