49277209 has 2 divisors, whose sum is σ = 49277210. Its totient is φ = 49277208.

The previous prime is 49277167. The next prime is 49277219. The reversal of 49277209 is 90277294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27793984 + 21483225 = 5272^2 + 4635^2 .

It is a cyclic number.

It is not a de Polignac number, because 49277209 - 2¹⁵ = 49244441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49277219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24638604 + 24638605.

It is an arithmetic number, because the mean of its divisors is an integer number (24638605).

Almost surely, 2^49277209 is an apocalyptic number.

It is an amenable number.

49277209 is a deficient number, since it is larger than the sum of its proper divisors (1).

49277209 is an equidigital number, since it uses as much as digits as its factorization.

49277209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 49277209 is about 7019.7727171184. The cubic root of 49277209 is about 366.6193366824.

The spelling of 49277209 in words is "forty-nine million, two hundred seventy-seven thousand, two hundred nine".