25230615 has 16 divisors (see below), whose sum is σ = 40437600. Its totient is φ = 13433472.

The previous prime is 25230577. The next prime is 25230619. The reversal of 25230615 is 51603252.

It is not a de Polignac number, because 25230615 - 2¹³ = 25222423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230619) 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 15 ways as a sum of consecutive naturals, for example, 11421 + ... + 13449.

It is an arithmetic number, because the mean of its divisors is an integer number (2527350).

Almost surely, 2^25230615 is an apocalyptic number.

25230615 is a deficient number, since it is larger than the sum of its proper divisors (15206985).

25230615 is a wasteful number, since it uses less digits than its factorization.

25230615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866.

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

The square root of 25230615 is about 5023.0085606138. The cubic root of 25230615 is about 293.2981197686.

Adding to 25230615 its reverse (51603252), we get a palindrome (76833867).

The spelling of 25230615 in words is "twenty-five million, two hundred thirty thousand, six hundred fifteen".