51394327 has 2 divisors, whose sum is σ = 51394328. Its totient is φ = 51394326.

The previous prime is 51394309. The next prime is 51394363. The reversal of 51394327 is 72349315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51394327 - 2⁷ = 51394199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51394292 and 51394301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51394307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25697163 + 25697164.

It is an arithmetic number, because the mean of its divisors is an integer number (25697164).

Almost surely, 2^51394327 is an apocalyptic number.

51394327 is a deficient number, since it is larger than the sum of its proper divisors (1).

51394327 is an equidigital number, since it uses as much as digits as its factorization.

51394327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 51394327 is about 7168.9836797136. The cubic root of 51394327 is about 371.7962979838.

The spelling of 51394327 in words is "fifty-one million, three hundred ninety-four thousand, three hundred twenty-seven".