51004627 has 2 divisors, whose sum is σ = 51004628. Its totient is φ = 51004626.

The previous prime is 51004619. The next prime is 51004631. The reversal of 51004627 is 72640015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51004627 - 2³ = 51004619 is a prime.

It is not a weakly prime, because it can be changed into another prime (51004687) 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, 25502313 + 25502314.

It is an arithmetic number, because the mean of its divisors is an integer number (25502314).

Almost surely, 2^51004627 is an apocalyptic number.

51004627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51004627 is an equidigital number, since it uses as much as digits as its factorization.

51004627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 51004627 is about 7141.7523759929. The cubic root of 51004627 is about 370.8541915578.

The spelling of 51004627 in words is "fifty-one million, four thousand, six hundred twenty-seven".