25212606 has 16 divisors (see below), whose sum is σ = 50479248. Its totient is φ = 8395200.

The previous prime is 25212587. The next prime is 25212611. The reversal of 25212606 is 60621252.

It is a super-2 number, since 2×25212606² = 1271351002622472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6336 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (3154953).

Almost surely, 2^25212606 is an apocalyptic number.

25212606 is an abundant number, since it is smaller than the sum of its proper divisors (25266642).

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

25212606 is a wasteful number, since it uses less digits than its factorization.

25212606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25212606 is about 5021.2155898746. The cubic root of 25212606 is about 293.2283201348.

Adding to 25212606 its reverse (60621252), we get a palindrome (85833858).

The spelling of 25212606 in words is "twenty-five million, two hundred twelve thousand, six hundred six".