25325013 has 12 divisors (see below), whose sum is σ = 39279840. Its totient is φ = 14471352.

The previous prime is 25325011. The next prime is 25325017. The reversal of 25325013 is 31052352.

It is not a de Polignac number, because 25325013 - 2¹ = 25325011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85993 + ... + 86286.

It is an arithmetic number, because the mean of its divisors is an integer number (3273320).

Almost surely, 2^25325013 is an apocalyptic number.

It is an amenable number.

25325013 is a deficient number, since it is larger than the sum of its proper divisors (13954827).

25325013 is a wasteful number, since it uses less digits than its factorization.

25325013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172296 (or 172289 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25325013 is about 5032.3963476658. The cubic root of 25325013 is about 293.6634470817.

Adding to 25325013 its reverse (31052352), we get a palindrome (56377365).

The spelling of 25325013 in words is "twenty-five million, three hundred twenty-five thousand, thirteen".