2506644573 has 8 divisors (see below), whose sum is σ = 3363481248. Its totient is φ = 1660452144.

The previous prime is 2506644533. The next prime is 2506644583. The reversal of 2506644573 is 3754466052.

2506644573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2506644573 - 2⁸ = 2506644317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506644533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2660511 + ... + 2661452.

It is an arithmetic number, because the mean of its divisors is an integer number (420435156).

Almost surely, 2^2506644573 is an apocalyptic number.

It is an amenable number.

2506644573 is a deficient number, since it is larger than the sum of its proper divisors (856836675).

2506644573 is a wasteful number, since it uses less digits than its factorization.

2506644573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322123.

The product of its (nonzero) digits is 604800, while the sum is 42.

The square root of 2506644573 is about 50066.4016382244. The cubic root of 2506644573 is about 1358.4101543348.

The spelling of 2506644573 in words is "two billion, five hundred six million, six hundred forty-four thousand, five hundred seventy-three".