2301125209 has 2 divisors, whose sum is σ = 2301125210. Its totient is φ = 2301125208.

The previous prime is 2301125179. The next prime is 2301125237. The reversal of 2301125209 is 9025211032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1770053184 + 531072025 = 42072^2 + 23045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301125209 - 2⁷ = 2301125081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2301155209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150562604 + 1150562605.

It is an arithmetic number, because the mean of its divisors is an integer number (1150562605).

Almost surely, 2^2301125209 is an apocalyptic number.

It is an amenable number.

2301125209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301125209 is an equidigital number, since it uses as much as digits as its factorization.

2301125209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2301125209 is about 47970.0449134666. The cubic root of 2301125209 is about 1320.2213450747.

The spelling of 2301125209 in words is "two billion, three hundred one million, one hundred twenty-five thousand, two hundred nine".