25270216 has 16 divisors (see below), whose sum is σ = 47674800. Its totient is φ = 12556944.

The previous prime is 25270213. The next prime is 25270237. The reversal of 25270216 is 61207252.

It is not an unprimeable number, because it can be changed into a prime (25270213) 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, 8386 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (2979675).

Almost surely, 2^25270216 is an apocalyptic number.

It is an amenable number.

25270216 is a deficient number, since it is larger than the sum of its proper divisors (22404584).

25270216 is a wasteful number, since it uses less digits than its factorization.

25270216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19548 (or 19544 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 25270216 is about 5026.9489752732. The cubic root of 25270216 is about 293.4514893603.

Adding to 25270216 its reverse (61207252), we get a palindrome (86477468).

The spelling of 25270216 in words is "twenty-five million, two hundred seventy thousand, two hundred sixteen".