5231651 has 4 divisors (see below), whose sum is σ = 5258952. Its totient is φ = 5204352.

The previous prime is 5231647. The next prime is 5231657. The reversal of 5231651 is 1561325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5231651 - 2² = 5231647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5231657) 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, 13361 + ... + 13746.

It is an arithmetic number, because the mean of its divisors is an integer number (1314738).

Almost surely, 2^5231651 is an apocalyptic number.

5231651 is a deficient number, since it is larger than the sum of its proper divisors (27301).

5231651 is a wasteful number, since it uses less digits than its factorization.

5231651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27300.

The product of its digits is 900, while the sum is 23.

The square root of 5231651 is about 2287.2802626701. The cubic root of 5231651 is about 173.5986145805.

Adding to 5231651 its reverse (1561325), we get a palindrome (6792976).

The spelling of 5231651 in words is "five million, two hundred thirty-one thousand, six hundred fifty-one".