51371347 has 2 divisors, whose sum is σ = 51371348. Its totient is φ = 51371346.

The previous prime is 51371339. The next prime is 51371381. The reversal of 51371347 is 74317315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51371347 - 2³ = 51371339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51371317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25685673 + 25685674.

It is an arithmetic number, because the mean of its divisors is an integer number (25685674).

Almost surely, 2^51371347 is an apocalyptic number.

51371347 is a deficient number, since it is larger than the sum of its proper divisors (1).

51371347 is an equidigital number, since it uses as much as digits as its factorization.

51371347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 51371347 is about 7167.3807628729. The cubic root of 51371347 is about 371.7408758315.

The spelling of 51371347 in words is "fifty-one million, three hundred seventy-one thousand, three hundred forty-seven".