51473039 has 2 divisors, whose sum is σ = 51473040. Its totient is φ = 51473038.

The previous prime is 51473029. The next prime is 51473041. The reversal of 51473039 is 93037415.

It is a happy number.

51473039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51473039 - 2⁸ = 51472783 is a prime.

It is a Sophie Germain prime.

Together with 51473041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51472996 and 51473014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51473029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25736519 + 25736520.

It is an arithmetic number, because the mean of its divisors is an integer number (25736520).

Almost surely, 2^51473039 is an apocalyptic number.

51473039 is a deficient number, since it is larger than the sum of its proper divisors (1).

51473039 is an equidigital number, since it uses as much as digits as its factorization.

51473039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 51473039 is about 7174.4713394089. The cubic root of 51473039 is about 371.9860070082.

The spelling of 51473039 in words is "fifty-one million, four hundred seventy-three thousand, thirty-nine".