51047671 has 2 divisors, whose sum is σ = 51047672. Its totient is φ = 51047670.

The previous prime is 51047663. The next prime is 51047779. The reversal of 51047671 is 17674015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51047671 - 2³ = 51047663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51047071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25523835 + 25523836.

It is an arithmetic number, because the mean of its divisors is an integer number (25523836).

Almost surely, 2^51047671 is an apocalyptic number.

51047671 is a deficient number, since it is larger than the sum of its proper divisors (1).

51047671 is an equidigital number, since it uses as much as digits as its factorization.

51047671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 51047671 is about 7144.7652865577. The cubic root of 51047671 is about 370.9584864053.

The spelling of 51047671 in words is "fifty-one million, forty-seven thousand, six hundred seventy-one".