25329216 has 112 divisors (see below), whose sum is σ = 74615040. Its totient is φ = 7518720.

The previous prime is 25329211. The next prime is 25329229. The reversal of 25329216 is 61292352.

It is a super-3 number, since 3×25329216³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25329211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141415 + ... + 141593.

Almost surely, 2^25329216 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 25329216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37307520).

25329216 is an abundant number, since it is smaller than the sum of its proper divisors (49285824).

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

25329216 is a wasteful number, since it uses less digits than its factorization.

25329216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 262 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 25329216 is about 5032.8139246350. The cubic root of 25329216 is about 293.6796918801.

The spelling of 25329216 in words is "twenty-five million, three hundred twenty-nine thousand, two hundred sixteen".