25448830 has 64 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 8409600.

The previous prime is 25448827. The next prime is 25448831. The reversal of 25448830 is 3884452.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25448831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57751 + ... + 58189.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^25448830 is an apocalyptic number.

25448830 is an abundant number, since it is smaller than the sum of its proper divisors (29294210).

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

25448830 is a wasteful number, since it uses less digits than its factorization.

25448830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 25448830 is about 5044.6833399134. The cubic root of 25448830 is about 294.1412544110.

The spelling of 25448830 in words is "twenty-five million, four hundred forty-eight thousand, eight hundred thirty".