5090209 has 2 divisors, whose sum is σ = 5090210. Its totient is φ = 5090208.

The previous prime is 5090171. The next prime is 5090219. The reversal of 5090209 is 9020905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 5184 = 2255^2 + 72^2 .

It is a cyclic number.

It is not a de Polignac number, because 5090209 - 2⁹ = 5089697 is a prime.

It is not a weakly prime, because it can be changed into another prime (5090219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545104 + 2545105.

It is an arithmetic number, because the mean of its divisors is an integer number (2545105).

Almost surely, 2^5090209 is an apocalyptic number.

It is an amenable number.

5090209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5090209 is an equidigital number, since it uses as much as digits as its factorization.

5090209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 5090209 is about 2256.1491528709. The cubic root of 5090209 is about 172.0198395179.

The spelling of 5090209 in words is "five million, ninety thousand, two hundred nine".