51337673 has 2 divisors, whose sum is σ = 51337674. Its totient is φ = 51337672.

The previous prime is 51337669. The next prime is 51337691. The reversal of 51337673 is 37673315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51079609 + 258064 = 7147^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 51337673 - 2² = 51337669 is a prime.

It is not a weakly prime, because it can be changed into another prime (51337613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25668836 + 25668837.

It is an arithmetic number, because the mean of its divisors is an integer number (25668837).

Almost surely, 2^51337673 is an apocalyptic number.

It is an amenable number.

51337673 is a deficient number, since it is larger than the sum of its proper divisors (1).

51337673 is an equidigital number, since it uses as much as digits as its factorization.

51337673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 35.

The square root of 51337673 is about 7165.0312630162. The cubic root of 51337673 is about 371.6596324980.

The spelling of 51337673 in words is "fifty-one million, three hundred thirty-seven thousand, six hundred seventy-three".