25132445 has 16 divisors (see below), whose sum is σ = 33892992. Its totient is φ = 17751360.

The previous prime is 25132439. The next prime is 25132447. The reversal of 25132445 is 54423152.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25132445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6911 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (2118312).

Almost surely, 2^25132445 is an apocalyptic number.

It is an amenable number.

25132445 is a deficient number, since it is larger than the sum of its proper divisors (8760547).

25132445 is a wasteful number, since it uses less digits than its factorization.

25132445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852.

The product of its digits is 4800, while the sum is 26.

The square root of 25132445 is about 5013.2270046348. The cubic root of 25132445 is about 292.9172266738.

Adding to 25132445 its reverse (54423152), we get a palindrome (79555597).

The spelling of 25132445 in words is "twenty-five million, one hundred thirty-two thousand, four hundred forty-five".