25232016 has 60 divisors (see below), whose sum is σ = 67476336. Its totient is φ = 8124480.

The previous prime is 25231993. The next prime is 25232027. The reversal of 25232016 is 61023252.

It is a junction number, because it is equal to n+sod(n) for n = 25231983 and 25232001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45855 + ... + 46401.

Almost surely, 2^25232016 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 25232016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33738168).

25232016 is an abundant number, since it is smaller than the sum of its proper divisors (42244320).

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

25232016 is a wasteful number, since it uses less digits than its factorization.

25232016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25232016 is about 5023.1480169312. The cubic root of 25232016 is about 293.3035483991.

Adding to 25232016 its reverse (61023252), we get a palindrome (86255268).

The spelling of 25232016 in words is "twenty-five million, two hundred thirty-two thousand, sixteen".