25042000 has 80 divisors (see below), whose sum is σ = 63835200. Its totient is φ = 9475200.

The previous prime is 25041997. The next prime is 25042001. The reversal of 25042000 is 24052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37671 + ... + 38329.

It is an arithmetic number, because the mean of its divisors is an integer number (797940).

Almost surely, 2^25042000 is an apocalyptic number.

25042000 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 25042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31917600).

25042000 is an abundant number, since it is smaller than the sum of its proper divisors (38793200).

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

25042000 is a wasteful number, since it uses less digits than its factorization.

25042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 25042000 is about 5004.1982374802. The cubic root of 25042000 is about 292.5654272029.

Adding to 25042000 its reverse (24052), we get a palindrome (25066052).

The spelling of 25042000 in words is "twenty-five million, forty-two thousand".