5195681 has 4 divisors (see below), whose sum is σ = 5233200. Its totient is φ = 5158164.

The previous prime is 5195657. The next prime is 5195737. The reversal of 5195681 is 1865915.

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: 1865915 = 5 ⋅373183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5195681 is a prime.

It is a super-2 number, since 2×5195681² = 53990202107522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198681) 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, 18551 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (1308300).

Almost surely, 2^5195681 is an apocalyptic number.

It is an amenable number.

5195681 is a deficient number, since it is larger than the sum of its proper divisors (37519).

5195681 is a wasteful number, since it uses less digits than its factorization.

5195681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37518.

The product of its digits is 10800, while the sum is 35.

The square root of 5195681 is about 2279.4036500804. The cubic root of 5195681 is about 173.1998425684.

The spelling of 5195681 in words is "five million, one hundred ninety-five thousand, six hundred eighty-one".