50197313 has 2 divisors, whose sum is σ = 50197314. Its totient is φ = 50197312.

The previous prime is 50197309. The next prime is 50197319. The reversal of 50197313 is 31379105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39589264 + 10608049 = 6292^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 50197313 - 2² = 50197309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50197319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25098656 + 25098657.

It is an arithmetic number, because the mean of its divisors is an integer number (25098657).

Almost surely, 2^50197313 is an apocalyptic number.

It is an amenable number.

50197313 is a deficient number, since it is larger than the sum of its proper divisors (1).

50197313 is an equidigital number, since it uses as much as digits as its factorization.

50197313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 50197313 is about 7085.0062103007. The cubic root of 50197313 is about 368.8871186704.

The spelling of 50197313 in words is "fifty million, one hundred ninety-seven thousand, three hundred thirteen".