13125025 has 6 divisors (see below), whose sum is σ = 16275062. Its totient is φ = 10500000.

The previous prime is 13125001. The next prime is 13125053. The reversal of 13125025 is 52052131.

It can be written as a sum of positive squares in 3 ways, for example, as 614656 + 12510369 = 784^2 + 3537^2 .

It is not a de Polignac number, because 13125025 - 2⁷ = 13124897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13124993 and 13125011.

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, 262476 + ... + 262525.

Almost surely, 2^13125025 is an apocalyptic number.

It is an amenable number.

13125025 is a deficient number, since it is larger than the sum of its proper divisors (3150037).

13125025 is an equidigital number, since it uses as much as digits as its factorization.

13125025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525011 (or 525006 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13125025 is about 3622.8476368735. The cubic root of 13125025 is about 235.8848487838.

Adding to 13125025 its reverse (52052131), we get a palindrome (65177156).

The spelling of 13125025 in words is "thirteen million, one hundred twenty-five thousand, twenty-five".