5161313 has 4 divisors (see below), whose sum is σ = 5182128. Its totient is φ = 5140500.

The previous prime is 5161309. The next prime is 5161327. The reversal of 5161313 is 3131615.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 3131615 = 5 ⋅626323.

It is a cyclic number.

It is not a de Polignac number, because 5161313 - 2² = 5161309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161363) 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, 10031 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (1295532).

Almost surely, 2^5161313 is an apocalyptic number.

It is an amenable number.

5161313 is a deficient number, since it is larger than the sum of its proper divisors (20815).

5161313 is a wasteful number, since it uses less digits than its factorization.

5161313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814.

The product of its digits is 270, while the sum is 20.

The square root of 5161313 is about 2271.8523279474. The cubic root of 5161313 is about 172.8171076634.

Adding to 5161313 its reverse (3131615), we get a palindrome (8292928).

The spelling of 5161313 in words is "five million, one hundred sixty-one thousand, three hundred thirteen".