2638113 has 4 divisors (see below), whose sum is σ = 3517488. Its totient is φ = 1758740.

The previous prime is 2638087. The next prime is 2638177. The reversal of 2638113 is 3118362.

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 2638113 - 2²⁰ = 1589537 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2638613) 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, 439683 + ... + 439688.

It is an arithmetic number, because the mean of its divisors is an integer number (879372).

2^2638113 is an apocalyptic number.

It is an amenable number.

2638113 is a deficient number, since it is larger than the sum of its proper divisors (879375).

2638113 is an equidigital number, since it uses as much as digits as its factorization.

2638113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879374.

The product of its digits is 864, while the sum is 24.

The square root of 2638113 is about 1624.2268930171. The cubic root of 2638113 is about 138.1755275377.

Subtracting 2638113 from its reverse (3118362), we obtain a square (480249 = 693²).

The spelling of 2638113 in words is "two million, six hundred thirty-eight thousand, one hundred thirteen".