48965209 has 2 divisors, whose sum is σ = 48965210. Its totient is φ = 48965208.

The previous prime is 48965197. The next prime is 48965297. The reversal of 48965209 is 90256984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44355600 + 4609609 = 6660^2 + 2147^2 .

It is a cyclic number.

It is not a de Polignac number, because 48965209 - 2²⁵ = 15410777 is a prime.

It is not a weakly prime, because it can be changed into another prime (48965909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24482604 + 24482605.

It is an arithmetic number, because the mean of its divisors is an integer number (24482605).

Almost surely, 2^48965209 is an apocalyptic number.

It is an amenable number.

48965209 is a deficient number, since it is larger than the sum of its proper divisors (1).

48965209 is an equidigital number, since it uses as much as digits as its factorization.

48965209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 48965209 is about 6997.5144873019. The cubic root of 48965209 is about 365.8439444391.

The spelling of 48965209 in words is "forty-eight million, nine hundred sixty-five thousand, two hundred nine".