49297309 has 2 divisors, whose sum is σ = 49297310. Its totient is φ = 49297308.

The previous prime is 49297301. The next prime is 49297319. The reversal of 49297309 is 90379294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36942084 + 12355225 = 6078^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 49297309 - 2³ = 49297301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49297301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24648654 + 24648655.

It is an arithmetic number, because the mean of its divisors is an integer number (24648655).

Almost surely, 2^49297309 is an apocalyptic number.

It is an amenable number.

49297309 is a deficient number, since it is larger than the sum of its proper divisors (1).

49297309 is an equidigital number, since it uses as much as digits as its factorization.

49297309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 49297309 is about 7021.2042414389. The cubic root of 49297309 is about 366.6691774851.

The spelling of 49297309 in words is "forty-nine million, two hundred ninety-seven thousand, three hundred nine".