25049800 has 48 divisors (see below), whose sum is σ = 58590000. Its totient is φ = 9960000.

The previous prime is 25049753. The next prime is 25049803. The reversal of 25049800 is 894052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25049803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49951 + ... + 50449.

It is an arithmetic number, because the mean of its divisors is an integer number (1220625).

Almost surely, 2^25049800 is an apocalyptic number.

25049800 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 25049800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29295000).

25049800 is an abundant number, since it is smaller than the sum of its proper divisors (33540200).

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

25049800 is a wasteful number, since it uses less digits than its factorization.

25049800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 25049800 is about 5004.9775224270. The cubic root of 25049800 is about 292.5957998228.

The spelling of 25049800 in words is "twenty-five million, forty-nine thousand, eight hundred".