51334807 has 2 divisors, whose sum is σ = 51334808. Its totient is φ = 51334806.

The previous prime is 51334783. The next prime is 51334813. The reversal of 51334807 is 70843315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51334807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51334837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25667403 + 25667404.

It is an arithmetic number, because the mean of its divisors is an integer number (25667404).

Almost surely, 2^51334807 is an apocalyptic number.

51334807 is a deficient number, since it is larger than the sum of its proper divisors (1).

51334807 is an equidigital number, since it uses as much as digits as its factorization.

51334807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 51334807 is about 7164.8312610975. The cubic root of 51334807 is about 371.6527162234.

The spelling of 51334807 in words is "fifty-one million, three hundred thirty-four thousand, eight hundred seven".