2500645353 has 16 divisors (see below), whose sum is σ = 3515035776. Its totient is φ = 1578170880.

The previous prime is 2500645337. The next prime is 2500645363. The reversal of 2500645353 is 3535460052.

It is not a de Polignac number, because 2500645353 - 2⁴ = 2500645337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500645363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180118 + ... + 193503.

It is an arithmetic number, because the mean of its divisors is an integer number (219689736).

Almost surely, 2^2500645353 is an apocalyptic number.

2500645353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2500645353 is a deficient number, since it is larger than the sum of its proper divisors (1014390423).

2500645353 is a wasteful number, since it uses less digits than its factorization.

2500645353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373744.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 2500645353 is about 50006.4531135733. The cubic root of 2500645353 is about 1357.3255820868.

The spelling of 2500645353 in words is "two billion, five hundred million, six hundred forty-five thousand, three hundred fifty-three".