49697 has 2 divisors, whose sum is σ = 49698. Its totient is φ = 49696.

The previous prime is 49681. The next prime is 49711. The reversal of 49697 is 79694.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26896 + 22801 = 164^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 49697 - 2⁴ = 49681 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (49627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24848 + 24849.

It is an arithmetic number, because the mean of its divisors is an integer number (24849).

2⁴⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

49697 is a deficient number, since it is larger than the sum of its proper divisors (1).

49697 is an equidigital number, since it uses as much as digits as its factorization.

49697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 49697 is about 222.9282395750. The cubic root of 49697 is about 36.7657467188.

The spelling of 49697 in words is "forty-nine thousand, six hundred ninety-seven".