51414331 has 4 divisors (see below), whose sum is σ = 51562000. Its totient is φ = 51266664.

The previous prime is 51414313. The next prime is 51414347. The reversal of 51414331 is 13341415.

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 51414331 - 2²⁵ = 17859899 is a prime.

It is a super-2 number, since 2×51414331² = 5286866864355122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51414301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73311 + ... + 74008.

It is an arithmetic number, because the mean of its divisors is an integer number (12890500).

Almost surely, 2^51414331 is an apocalyptic number.

51414331 is a deficient number, since it is larger than the sum of its proper divisors (147669).

51414331 is a wasteful number, since it uses less digits than its factorization.

51414331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147668.

The product of its digits is 720, while the sum is 22.

The square root of 51414331 is about 7170.3787208208. The cubic root of 51414331 is about 371.8445293020.

Adding to 51414331 its reverse (13341415), we get a palindrome (64755746).

The spelling of 51414331 in words is "fifty-one million, four hundred fourteen thousand, three hundred thirty-one".