51332339 has 2 divisors, whose sum is σ = 51332340. Its totient is φ = 51332338.

The previous prime is 51332279. The next prime is 51332353. The reversal of 51332339 is 93323315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51332339 is a prime.

It is not a weakly prime, because it can be changed into another prime (51332399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25666169 + 25666170.

It is an arithmetic number, because the mean of its divisors is an integer number (25666170).

Almost surely, 2^51332339 is an apocalyptic number.

51332339 is a deficient number, since it is larger than the sum of its proper divisors (1).

51332339 is an equidigital number, since it uses as much as digits as its factorization.

51332339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 29.

The square root of 51332339 is about 7164.6590288722. The cubic root of 51332339 is about 371.6467602021.

The spelling of 51332339 in words is "fifty-one million, three hundred thirty-two thousand, three hundred thirty-nine".