2604553013 has 2 divisors, whose sum is σ = 2604553014. Its totient is φ = 2604553012.

The previous prime is 2604552941. The next prime is 2604553073. The reversal of 2604553013 is 3103554062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2257960324 + 346592689 = 47518^2 + 18617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604553013 - 2²⁰ = 2603504437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2604553073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302276506 + 1302276507.

It is an arithmetic number, because the mean of its divisors is an integer number (1302276507).

Almost surely, 2^2604553013 is an apocalyptic number.

It is an amenable number.

2604553013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604553013 is an equidigital number, since it uses as much as digits as its factorization.

2604553013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2604553013 is about 51034.8215731181. The cubic root of 2604553013 is about 1375.8710536744.

The spelling of 2604553013 in words is "two billion, six hundred four million, five hundred fifty-three thousand, thirteen".