25033216 has 40 divisors (see below), whose sum is σ = 53879364. Its totient is φ = 11550720.

The previous prime is 25033207. The next prime is 25033219. The reversal of 25033216 is 61233052.

It can be written as a sum of positive squares in 2 ways, for example, as 23814400 + 1218816 = 4880^2 + 1104^2 .

It is not an unprimeable number, because it can be changed into a prime (25033219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4776 + ... + 8536.

Almost surely, 2^25033216 is an apocalyptic number.

25033216 is a gapful number since it is divisible by the number (26) 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 25033216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26939682).

25033216 is an abundant number, since it is smaller than the sum of its proper divisors (28846148).

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

25033216 is an equidigital number, since it uses as much as digits as its factorization.

25033216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3776 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25033216 is about 5003.3204974297. The cubic root of 25033216 is about 292.5312154087.

Adding to 25033216 its reverse (61233052), we get a palindrome (86266268).

The spelling of 25033216 in words is "twenty-five million, thirty-three thousand, two hundred sixteen".