25912016 has 20 divisors (see below), whose sum is σ = 54066852. Its totient is φ = 11959296.

The previous prime is 25912013. The next prime is 25912021. The reversal of 25912016 is 61021952.

It can be written as a sum of positive squares in 2 ways, for example, as 12222016 + 13690000 = 3496^2 + 3700^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25912013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62081 + ... + 62496.

Almost surely, 2^25912016 is an apocalyptic number.

25912016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25912016 is an abundant number, since it is smaller than the sum of its proper divisors (28154836).

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

25912016 is a wasteful number, since it uses less digits than its factorization.

25912016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124598 (or 124592 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 25912016 is about 5090.3846613002. The cubic root of 25912016 is about 295.9150596307.

Adding to 25912016 its reverse (61021952), we get a palindrome (86933968).

The spelling of 25912016 in words is "twenty-five million, nine hundred twelve thousand, sixteen".