25875630 has 96 divisors (see below), whose sum is σ = 74805120. Its totient is φ = 6152640.

The previous prime is 25875613. The next prime is 25875659. The reversal of 25875630 is 3657852.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 58189 + ... + 58631.

It is an arithmetic number, because the mean of its divisors is an integer number (779220).

Almost surely, 2^25875630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25875630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37402560).

25875630 is an abundant number, since it is smaller than the sum of its proper divisors (48929490).

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

25875630 is a wasteful number, since it uses less digits than its factorization.

25875630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 25875630 is about 5086.8094125886. The cubic root of 25875630 is about 295.7764854509.

The spelling of 25875630 in words is "twenty-five million, eight hundred seventy-five thousand, six hundred thirty".