25260216 has 32 divisors (see below), whose sum is σ = 63277200. Its totient is φ = 8403200.

The previous prime is 25260211. The next prime is 25260227. The reversal of 25260216 is 61206252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18766 + ... + 20066.

Almost surely, 2^25260216 is an apocalyptic number.

It is an amenable number.

25260216 is an abundant number, since it is smaller than the sum of its proper divisors (38016984).

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

25260216 is a wasteful number, since it uses less digits than its factorization.

25260216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2115 counting only the distinct ones).

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

The square root of 25260216 is about 5025.9542377543. The cubic root of 25260216 is about 293.4127757740.

Adding to 25260216 its reverse (61206252), we get a palindrome (86466468).

The spelling of 25260216 in words is "twenty-five million, two hundred sixty thousand, two hundred sixteen".