25262500 has 72 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 9660000.

The previous prime is 25262491. The next prime is 25262513. The reversal of 25262500 is 526252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537477 + ... + 537523.

It is an arithmetic number, because the mean of its divisors is an integer number (802032).

Almost surely, 2^25262500 is an apocalyptic number.

25262500 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 25262500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28873152).

25262500 is an abundant number, since it is smaller than the sum of its proper divisors (32483804).

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

25262500 is an equidigital number, since it uses as much as digits as its factorization.

25262500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25262500 is about 5026.1814531511. The cubic root of 25262500 is about 293.4216188573.

Adding to 25262500 its reverse (526252), we get a palindrome (25788752).

The spelling of 25262500 in words is "twenty-five million, two hundred sixty-two thousand, five hundred".