51614231 has 8 divisors (see below), whose sum is σ = 54618624. Its totient is φ = 48673240.

The previous prime is 51614207. The next prime is 51614237. The reversal of 51614231 is 13241615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51614231 is a prime.

It is a super-2 number, since 2×51614231² = 5328057683442722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51614197 and 51614206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51614237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14171 + ... + 17436.

It is an arithmetic number, because the mean of its divisors is an integer number (6827328).

Almost surely, 2^51614231 is an apocalyptic number.

51614231 is a deficient number, since it is larger than the sum of its proper divisors (3004393).

51614231 is a wasteful number, since it uses less digits than its factorization.

51614231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701.

The product of its digits is 720, while the sum is 23.

The square root of 51614231 is about 7184.3044896496. The cubic root of 51614231 is about 372.3258192010.

Adding to 51614231 its reverse (13241615), we get a palindrome (64855846).

The spelling of 51614231 in words is "fifty-one million, six hundred fourteen thousand, two hundred thirty-one".