25324145 has 16 divisors (see below), whose sum is σ = 37888128. Its totient is φ = 15786240.

The previous prime is 25324139. The next prime is 25324147. The reversal of 25324145 is 54142352.

It is a happy number.

It is not a de Polignac number, because 25324145 - 2⁴ = 25324129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25324147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32504 + ... + 33273.

It is an arithmetic number, because the mean of its divisors is an integer number (2368008).

Almost surely, 2^25324145 is an apocalyptic number.

It is an amenable number.

25324145 is a deficient number, since it is larger than the sum of its proper divisors (12563983).

25324145 is a wasteful number, since it uses less digits than its factorization.

25324145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65800.

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

The square root of 25324145 is about 5032.3101057069. The cubic root of 25324145 is about 293.6600919958.

Adding to 25324145 its reverse (54142352), we get a palindrome (79466497).

The spelling of 25324145 in words is "twenty-five million, three hundred twenty-four thousand, one hundred forty-five".