51199327 has 2 divisors, whose sum is σ = 51199328. Its totient is φ = 51199326.

The previous prime is 51199303. The next prime is 51199349. The reversal of 51199327 is 72399115.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51199327 is a prime.

It is equal to p_3068668 and since 51199327 and 3068668 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51199367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25599663 + 25599664.

It is an arithmetic number, because the mean of its divisors is an integer number (25599664).

Almost surely, 2^51199327 is an apocalyptic number.

51199327 is a deficient number, since it is larger than the sum of its proper divisors (1).

51199327 is an equidigital number, since it uses as much as digits as its factorization.

51199327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 51199327 is about 7155.3705005401. The cubic root of 51199327 is about 371.3254797083.

The spelling of 51199327 in words is "fifty-one million, one hundred ninety-nine thousand, three hundred twenty-seven".