25248216 has 32 divisors (see below), whose sum is σ = 72138240. Its totient is φ = 7213728.

The previous prime is 25248191. The next prime is 25248271. The reversal of 25248216 is 61284252.

It is a super-2 number, since 2×25248216² = 1274944822365312, which contains 22 as substring.

It is a congruent number.

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, 74976 + ... + 75311.

It is an arithmetic number, because the mean of its divisors is an integer number (2254320).

Almost surely, 2^25248216 is an apocalyptic number.

It is an amenable number.

25248216 is an abundant number, since it is smaller than the sum of its proper divisors (46890024).

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

25248216 is a wasteful number, since it uses less digits than its factorization.

25248216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150303 (or 150299 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 25248216 is about 5024.7602927901. The cubic root of 25248216 is about 293.3663059813.

The spelling of 25248216 in words is "twenty-five million, two hundred forty-eight thousand, two hundred sixteen".