25425760 has 48 divisors (see below), whose sum is σ = 60371136. Its totient is φ = 10119168.

The previous prime is 25425713. The next prime is 25425767. The reversal of 25425760 is 6752452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58504 + ... + 58936.

It is an arithmetic number, because the mean of its divisors is an integer number (1257732).

Almost surely, 2^25425760 is an apocalyptic number.

25425760 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 25425760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30185568).

25425760 is an abundant number, since it is smaller than the sum of its proper divisors (34945376).

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

25425760 is a wasteful number, since it uses less digits than its factorization.

25425760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 25425760 is about 5042.3962557498. The cubic root of 25425760 is about 294.0523454083.

The spelling of 25425760 in words is "twenty-five million, four hundred twenty-five thousand, seven hundred sixty".