25495408 has 40 divisors (see below), whose sum is σ = 53344800. Its totient is φ = 11768064.

The previous prime is 25495403. The next prime is 25495439. The reversal of 25495408 is 80459452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25495403) 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, 9478 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (1333620).

Almost surely, 2^25495408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25495408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26672400).

25495408 is an abundant number, since it is smaller than the sum of its proper divisors (27849392).

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

25495408 is a wasteful number, since it uses less digits than its factorization.

25495408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 25495408 is about 5049.2977729581. The cubic root of 25495408 is about 294.3205967925.

The spelling of 25495408 in words is "twenty-five million, four hundred ninety-five thousand, four hundred eight".