51025187 has 2 divisors, whose sum is σ = 51025188. Its totient is φ = 51025186.

The previous prime is 51025151. The next prime is 51025207. The reversal of 51025187 is 78152015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51025187 - 2¹⁰ = 51024163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51025087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25512593 + 25512594.

It is an arithmetic number, because the mean of its divisors is an integer number (25512594).

Almost surely, 2^51025187 is an apocalyptic number.

51025187 is a deficient number, since it is larger than the sum of its proper divisors (1).

51025187 is an equidigital number, since it uses as much as digits as its factorization.

51025187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 51025187 is about 7143.1916535958. The cubic root of 51025187 is about 370.9040153897.

The spelling of 51025187 in words is "fifty-one million, twenty-five thousand, one hundred eighty-seven".