13650325 has 24 divisors (see below), whose sum is σ = 18458888. Its totient is φ = 9953280.

The previous prime is 13650319. The next prime is 13650349. The reversal of 13650325 is 52305631.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 9381969 + 4268356 = 3063^2 + 2066^2 .

It is not a de Polignac number, because 13650325 - 2³ = 13650317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13650325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31309 + ... + 31741.

Almost surely, 2^13650325 is an apocalyptic number.

It is an amenable number.

13650325 is a deficient number, since it is larger than the sum of its proper divisors (4808563).

13650325 is a wasteful number, since it uses less digits than its factorization.

13650325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13650325 is about 3694.6346233423. The cubic root of 13650325 is about 238.9906977466.

Adding to 13650325 its product of nonzero digits (2700), we get a square (13653025 = 3695²).

Adding to 13650325 its reverse (52305631), we get a palindrome (65955956).

The spelling of 13650325 in words is "thirteen million, six hundred fifty thousand, three hundred twenty-five".