253010209 has 2 divisors, whose sum is σ = 253010210. Its totient is φ = 253010208.

The previous prime is 253010203. The next prime is 253010267. The reversal of 253010209 is 902010352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193766400 + 59243809 = 13920^2 + 7697^2 .

It is a cyclic number.

It is not a de Polignac number, because 253010209 - 2⁹ = 253009697 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253010209.

It is not a weakly prime, because it can be changed into another prime (253010203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126505104 + 126505105.

It is an arithmetic number, because the mean of its divisors is an integer number (126505105).

Almost surely, 2^253010209 is an apocalyptic number.

It is an amenable number.

253010209 is a deficient number, since it is larger than the sum of its proper divisors (1).

253010209 is an equidigital number, since it uses as much as digits as its factorization.

253010209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 253010209 is about 15906.2946345150. The cubic root of 253010209 is about 632.4788613286.

The spelling of 253010209 in words is "two hundred fifty-three million, ten thousand, two hundred nine".