25425008 has 40 divisors (see below), whose sum is σ = 56743392. Its totient is φ = 10810368.

The previous prime is 25425007. The next prime is 25425011. The reversal of 25425008 is 80052452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14516 + ... + 16172.

Almost surely, 2^25425008 is an apocalyptic number.

25425008 is a gapful number since it is divisible by the number (28) 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 25425008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28371696).

25425008 is an abundant number, since it is smaller than the sum of its proper divisors (31318384).

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

25425008 is a wasteful number, since it uses less digits than its factorization.

25425008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 25425008 is about 5042.3216874769. The cubic root of 25425008 is about 294.0494463859.

The spelling of 25425008 in words is "twenty-five million, four hundred twenty-five thousand, eight".