25032113 has 4 divisors (see below), whose sum is σ = 25062180. Its totient is φ = 25002048.

The previous prime is 25032083. The next prime is 25032127. The reversal of 25032113 is 31123052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17698849 + 7333264 = 4207^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 25032113 - 2²⁰ = 23983537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25032091 and 25032100.

It is not an unprimeable number, because it can be changed into a prime (25032913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13748 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (6265545).

Almost surely, 2^25032113 is an apocalyptic number.

It is an amenable number.

25032113 is a deficient number, since it is larger than the sum of its proper divisors (30067).

25032113 is an equidigital number, since it uses as much as digits as its factorization.

25032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30066.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25032113 is about 5003.2102694170. The cubic root of 25032113 is about 292.5269188950.

Adding to 25032113 its reverse (31123052), we get a palindrome (56155165).

The spelling of 25032113 in words is "twenty-five million, thirty-two thousand, one hundred thirteen".