25347216 has 40 divisors (see below), whose sum is σ = 68929120. Its totient is φ = 8004096.

The previous prime is 25347209. The next prime is 25347277. The reversal of 25347216 is 61274352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12985 + ... + 14808.

It is an arithmetic number, because the mean of its divisors is an integer number (1723228).

Almost surely, 2^25347216 is an apocalyptic number.

It is an amenable number.

25347216 is an abundant number, since it is smaller than the sum of its proper divisors (43581904).

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

25347216 is a wasteful number, since it uses less digits than its factorization.

25347216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27823 (or 27817 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 25347216 is about 5034.6018710520. The cubic root of 25347216 is about 293.7492424305.

The spelling of 25347216 in words is "twenty-five million, three hundred forty-seven thousand, two hundred sixteen".