2500013 has 4 divisors (see below), whose sum is σ = 2503200. Its totient is φ = 2496828.

The previous prime is 2500009. The next prime is 2500027. The reversal of 2500013 is 3100052.

2500013 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2500013 - 2² = 2500009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2499967 and 2500003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500213) 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 3 ways as a sum of consecutive naturals, for example, 506 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (625800).

2^2500013 is an apocalyptic number.

It is an amenable number.

2500013 is a deficient number, since it is larger than the sum of its proper divisors (3187).

2500013 is a wasteful number, since it uses less digits than its factorization.

2500013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2500013 is about 1581.1429410398. The cubic root of 2500013 is about 135.7211160789.

Adding to 2500013 its reverse (3100052), we get a palindrome (5600065).

The spelling of 2500013 in words is "two million, five hundred thousand, thirteen".