2506505413 has 4 divisors (see below), whose sum is σ = 2509233760. Its totient is φ = 2503777068.

The previous prime is 2506505411. The next prime is 2506505429. The reversal of 2506505413 is 3145056052.

2506505413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2506505413 - 2¹ = 2506505411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506505411) 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, 1362795 + ... + 1364632.

It is an arithmetic number, because the mean of its divisors is an integer number (627308440).

Almost surely, 2^2506505413 is an apocalyptic number.

It is an amenable number.

2506505413 is a deficient number, since it is larger than the sum of its proper divisors (2728347).

2506505413 is an equidigital number, since it uses as much as digits as its factorization.

2506505413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728346.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2506505413 is about 50065.0118645746. The cubic root of 2506505413 is about 1358.3850158346.

The spelling of 2506505413 in words is "two billion, five hundred six million, five hundred five thousand, four hundred thirteen".