25045800 has 192 divisors, whose sum is σ = 88536000. Its totient is φ = 5840640.

The previous prime is 25045771. The next prime is 25045829. The reversal of 25045800 is 854052.

It is an interprime number because it is at equal distance from previous prime (25045771) and next prime (25045829).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1318191 + ... + 1318209.

It is an arithmetic number, because the mean of its divisors is an integer number (461125).

Almost surely, 2^25045800 is an apocalyptic number.

25045800 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 25045800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44268000).

25045800 is an abundant number, since it is smaller than the sum of its proper divisors (63490200).

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

25045800 is a wasteful number, since it uses less digits than its factorization.

25045800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 25045800 is about 5004.5779042792. The cubic root of 25045800 is about 292.5802249080.

Adding to 25045800 its reverse (854052), we get a palindrome (25899852).

The spelling of 25045800 in words is "twenty-five million, forty-five thousand, eight hundred".