13253225 has 6 divisors (see below), whose sum is σ = 16434030. Its totient is φ = 10602560.

The previous prime is 13253197. The next prime is 13253237. The reversal of 13253225 is 52235231.

13253225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4084441 + 9168784 = 2021^2 + 3028^2 .

It is not a de Polignac number, because 13253225 - 2⁶ = 13253161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13253225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265040 + ... + 265089.

It is an arithmetic number, because the mean of its divisors is an integer number (2739005).

Almost surely, 2^13253225 is an apocalyptic number.

It is an amenable number.

13253225 is a deficient number, since it is larger than the sum of its proper divisors (3180805).

13253225 is an equidigital number, since it uses as much as digits as its factorization.

13253225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530139 (or 530134 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 13253225 is about 3640.4979055069. The cubic root of 13253225 is about 236.6503713791.

Adding to 13253225 its reverse (52235231), we get a palindrome (65488456).

The spelling of 13253225 in words is "thirteen million, two hundred fifty-three thousand, two hundred twenty-five".