25254500 has 48 divisors (see below), whose sum is σ = 56255472. Its totient is φ = 9900800.

The previous prime is 25254499. The next prime is 25254517. The reversal of 25254500 is 545252.

It can be written as a sum of positive squares in 8 ways, for example, as 6522916 + 18731584 = 2554^2 + 4328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26024 + ... + 26976.

It is an arithmetic number, because the mean of its divisors is an integer number (1171989).

Almost surely, 2^25254500 is an apocalyptic number.

25254500 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 25254500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28127736).

25254500 is an abundant number, since it is smaller than the sum of its proper divisors (31000972).

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

25254500 is a wasteful number, since it uses less digits than its factorization.

25254500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 25254500 is about 5025.3855573478. The cubic root of 25254500 is about 293.3906424987.

Adding to 25254500 its reverse (545252), we get a palindrome (25799752).

The spelling of 25254500 in words is "twenty-five million, two hundred fifty-four thousand, five hundred".