25345630 has 8 divisors (see below), whose sum is σ = 45622152. Its totient is φ = 10138248.

The previous prime is 25345603. The next prime is 25345637. The reversal of 25345630 is 3654352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267272 + ... + 1267291.

It is an arithmetic number, because the mean of its divisors is an integer number (5702769).

Almost surely, 2^25345630 is an apocalyptic number.

25345630 is a deficient number, since it is larger than the sum of its proper divisors (20276522).

25345630 is a wasteful number, since it uses less digits than its factorization.

25345630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534570.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 25345630 is about 5034.4443586160. Note that the first 3 decimals coincide. The cubic root of 25345630 is about 293.7431155773.

Adding to 25345630 its reverse (3654352), we get a palindrome (28999982).

The spelling of 25345630 in words is "twenty-five million, three hundred forty-five thousand, six hundred thirty".