23025209 has 2 divisors, whose sum is σ = 23025210. Its totient is φ = 23025208.

The previous prime is 23025203. The next prime is 23025221. The reversal of 23025209 is 90252032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14845609 + 8179600 = 3853^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 23025209 - 2⁴ = 23025193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23025203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11512604 + 11512605.

It is an arithmetic number, because the mean of its divisors is an integer number (11512605).

Almost surely, 2^23025209 is an apocalyptic number.

It is an amenable number.

23025209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23025209 is an equidigital number, since it uses as much as digits as its factorization.

23025209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 23025209 is about 4798.4590234783. The cubic root of 23025209 is about 284.4905601105.

The spelling of 23025209 in words is "twenty-three million, twenty-five thousand, two hundred nine".