25526216 has 16 divisors (see below), whose sum is σ = 47978700. Its totient is φ = 12731904.

The previous prime is 25526213. The next prime is 25526239. The reversal of 25526216 is 61262552.

It can be written as a sum of positive squares in 2 ways, for example, as 25502500 + 23716 = 5050^2 + 154^2 .

It is not an unprimeable number, because it can be changed into a prime (25526213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221 + ... + 7148.

Almost surely, 2^25526216 is an apocalyptic number.

It is an amenable number.

25526216 is a deficient number, since it is larger than the sum of its proper divisors (22452484).

25526216 is a wasteful number, since it uses less digits than its factorization.

25526216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808 (or 7804 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 25526216 is about 5052.3475731584. The cubic root of 25526216 is about 294.4390989048.

Adding to 25526216 its reverse (61262552), we get a palindrome (86788768).

The spelling of 25526216 in words is "twenty-five million, five hundred twenty-six thousand, two hundred sixteen".