13225409 has 2 divisors, whose sum is σ = 13225410. Its totient is φ = 13225408.

The previous prime is 13225403. The next prime is 13225423. The reversal of 13225409 is 90452231.

13225409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9784384 + 3441025 = 3128^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13225409 - 2⁴ = 13225393 is a prime.

It is a super-2 number, since 2×13225409² = 349822886434562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13225403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612704 + 6612705.

It is an arithmetic number, because the mean of its divisors is an integer number (6612705).

Almost surely, 2^13225409 is an apocalyptic number.

It is an amenable number.

13225409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225409 is an equidigital number, since it uses as much as digits as its factorization.

13225409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13225409 is about 3636.6755423051. The cubic root of 13225409 is about 236.4846940348.

The spelling of 13225409 in words is "thirteen million, two hundred twenty-five thousand, four hundred nine".