51017347 has 2 divisors, whose sum is σ = 51017348. Its totient is φ = 51017346.

The previous prime is 51017273. The next prime is 51017363. The reversal of 51017347 is 74371015.

51017347 is nontrivially palindromic in base 4.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51017347 - 2¹⁵ = 50984579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51017377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25508673 + 25508674.

It is an arithmetic number, because the mean of its divisors is an integer number (25508674).

Almost surely, 2^51017347 is an apocalyptic number.

51017347 is a deficient number, since it is larger than the sum of its proper divisors (1).

51017347 is an equidigital number, since it uses as much as digits as its factorization.

51017347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51017347 is about 7142.6428582143. The cubic root of 51017347 is about 370.8850179978.

The spelling of 51017347 in words is "fifty-one million, seventeen thousand, three hundred forty-seven".