25266216 has 32 divisors (see below), whose sum is σ = 66882240. Its totient is φ = 7926528.

The previous prime is 25266211. The next prime is 25266247. The reversal of 25266216 is 61266252.

It is not an unprimeable number, because it can be changed into a prime (25266211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30556 + ... + 31371.

It is an arithmetic number, because the mean of its divisors is an integer number (2090070).

Almost surely, 2^25266216 is an apocalyptic number.

It is an amenable number.

25266216 is an abundant number, since it is smaller than the sum of its proper divisors (41616024).

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

25266216 is a wasteful number, since it uses less digits than its factorization.

25266216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61953 (or 61949 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 25266216 is about 5026.5511038882. The cubic root of 25266216 is about 293.4360051516.

The spelling of 25266216 in words is "twenty-five million, two hundred sixty-six thousand, two hundred sixteen".