2500553 has 8 divisors (see below), whose sum is σ = 2816256. Its totient is φ = 2199600.

The previous prime is 2500543. The next prime is 2500559. The reversal of 2500553 is 3550052.

2500553 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 a cyclic number.

It is not a de Polignac number, because 2500553 - 2⁸ = 2500297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3326 + ... + 4007.

It is an arithmetic number, because the mean of its divisors is an integer number (352032).

2^2500553 is an apocalyptic number.

It is an amenable number.

2500553 is a deficient number, since it is larger than the sum of its proper divisors (315703).

2500553 is a wasteful number, since it uses less digits than its factorization.

2500553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2500553 is about 1581.3136943693. The cubic root of 2500553 is about 135.7308872449.

The spelling of 2500553 in words is "two million, five hundred thousand, five hundred fifty-three".