5113621 has 4 divisors (see below), whose sum is σ = 5121792. Its totient is φ = 5105452.

The previous prime is 5113609. The next prime is 5113631. The reversal of 5113621 is 1263115.

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 5113621 - 2¹⁵ = 5080853 is a prime.

It is a super-2 number, since 2×5113621² = 52298239463282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113601) 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, 3061 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 2^5113621 is an apocalyptic number.

It is an amenable number.

5113621 is a deficient number, since it is larger than the sum of its proper divisors (8171).

5113621 is an equidigital number, since it uses as much as digits as its factorization.

5113621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170.

The product of its digits is 180, while the sum is 19.

The square root of 5113621 is about 2261.3316873029. The cubic root of 5113621 is about 172.2831666069.

Adding to 5113621 its reverse (1263115), we get a palindrome (6376736).

The spelling of 5113621 in words is "five million, one hundred thirteen thousand, six hundred twenty-one".