49221317 has 2 divisors, whose sum is σ = 49221318. Its totient is φ = 49221316.

The previous prime is 49221313. The next prime is 49221353. The reversal of 49221317 is 71312294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36590401 + 12630916 = 6049^2 + 3554^2 .

It is a cyclic number.

It is not a de Polignac number, because 49221317 - 2² = 49221313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49221317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49221313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24610658 + 24610659.

It is an arithmetic number, because the mean of its divisors is an integer number (24610659).

Almost surely, 2^49221317 is an apocalyptic number.

It is an amenable number.

49221317 is a deficient number, since it is larger than the sum of its proper divisors (1).

49221317 is an equidigital number, since it uses as much as digits as its factorization.

49221317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 49221317 is about 7015.7905470446. The cubic root of 49221317 is about 366.4806732548.

The spelling of 49221317 in words is "forty-nine million, two hundred twenty-one thousand, three hundred seventeen".