51192851 has 2 divisors, whose sum is σ = 51192852. Its totient is φ = 51192850.

The previous prime is 51192829. The next prime is 51192853. The reversal of 51192851 is 15829115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51192851 - 2⁶ = 51192787 is a prime.

Together with 51192853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51192853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25596425 + 25596426.

It is an arithmetic number, because the mean of its divisors is an integer number (25596426).

Almost surely, 2^51192851 is an apocalyptic number.

51192851 is a deficient number, since it is larger than the sum of its proper divisors (1).

51192851 is an equidigital number, since it uses as much as digits as its factorization.

51192851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 32.

The square root of 51192851 is about 7154.9179589986. The cubic root of 51192851 is about 371.3098232187.

The spelling of 51192851 in words is "fifty-one million, one hundred ninety-two thousand, eight hundred fifty-one".