25800630 has 32 divisors (see below), whose sum is σ = 62139744. Its totient is φ = 6855936.

The previous prime is 25800629. The next prime is 25800637. The reversal of 25800630 is 3600852.

It is a self number, because there is not a number n which added to its sum of digits gives 25800630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25800637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8154 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (1941867).

Almost surely, 2^25800630 is an apocalyptic number.

25800630 is an abundant number, since it is smaller than the sum of its proper divisors (36339114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25800630 is a wasteful number, since it uses less digits than its factorization.

25800630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25800630 is about 5079.4320548660. The cubic root of 25800630 is about 295.4904414841.

The spelling of 25800630 in words is "twenty-five million, eight hundred thousand, six hundred thirty".