25828700 has 36 divisors (see below), whose sum is σ = 56397432. Its totient is φ = 10267200.

The previous prime is 25828679. The next prime is 25828717. The reversal of 25828700 is 782852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17387 + ... + 18813.

Almost surely, 2^25828700 is an apocalyptic number.

25828700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25828700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28198716).

25828700 is an abundant number, since it is smaller than the sum of its proper divisors (30568732).

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

25828700 is a wasteful number, since it uses less digits than its factorization.

25828700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 25828700 is about 5082.1944079305. The cubic root of 25828700 is about 295.5975630352.

The spelling of 25828700 in words is "twenty-five million, eight hundred twenty-eight thousand, seven hundred".