25250613 has 16 divisors (see below), whose sum is σ = 34911360. Its totient is φ = 16220736.

The previous prime is 25250597. The next prime is 25250623. The reversal of 25250613 is 31605252.

It is not a de Polignac number, because 25250613 - 2⁴ = 25250597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250623) 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, 11056 + ... + 13142.

It is an arithmetic number, because the mean of its divisors is an integer number (2181960).

Almost surely, 2^25250613 is an apocalyptic number.

It is an amenable number.

25250613 is a deficient number, since it is larger than the sum of its proper divisors (9660747).

25250613 is a wasteful number, since it uses less digits than its factorization.

25250613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25250613 is about 5024.9988059700. The cubic root of 25250613 is about 293.3755894990.

Adding to 25250613 its reverse (31605252), we get a palindrome (56855865).

The spelling of 25250613 in words is "twenty-five million, two hundred fifty thousand, six hundred thirteen".