25426216 has 16 divisors (see below), whose sum is σ = 47747700. Its totient is φ = 12693504.

The previous prime is 25426211. The next prime is 25426217. The reversal of 25426216 is 61262452.

It can be written as a sum of positive squares in 2 ways, for example, as 25300900 + 125316 = 5030^2 + 354^2 .

It is a super-3 number, since 3×25426216³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25426211) 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, 4086 + ... + 8218.

Almost surely, 2^25426216 is an apocalyptic number.

It is an amenable number.

25426216 is a deficient number, since it is larger than the sum of its proper divisors (22321484).

25426216 is a wasteful number, since it uses less digits than its factorization.

25426216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4904 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 25426216 is about 5042.4414721442. The cubic root of 25426216 is about 294.0541032983.

Adding to 25426216 its reverse (61262452), we get a palindrome (86688668).

The spelling of 25426216 in words is "twenty-five million, four hundred twenty-six thousand, two hundred sixteen".