51414531 has 8 divisors (see below), whose sum is σ = 78345984. Its totient is φ = 29379720.

The previous prime is 51414509. The next prime is 51414577. The reversal of 51414531 is 13541415.

It is a happy number.

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

It is not a de Polignac number, because 51414531 - 2⁷ = 51414403 is a prime.

It is a super-2 number, since 2×51414531² = 5286907995899922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51414431) 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, 1224135 + ... + 1224176.

It is an arithmetic number, because the mean of its divisors is an integer number (9793248).

Almost surely, 2^51414531 is an apocalyptic number.

51414531 is a deficient number, since it is larger than the sum of its proper divisors (26931453).

51414531 is a wasteful number, since it uses less digits than its factorization.

51414531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448321.

The product of its digits is 1200, while the sum is 24.

The square root of 51414531 is about 7170.3926670720. The cubic root of 51414531 is about 371.8450114555.

Adding to 51414531 its reverse (13541415), we get a palindrome (64955946).

The spelling of 51414531 in words is "fifty-one million, four hundred fourteen thousand, five hundred thirty-one".