25217276 has 48 divisors (see below), whose sum is σ = 52527552. Its totient is φ = 10368000.

The previous prime is 25217233. The next prime is 25217279. The reversal of 25217276 is 67271252.

It is a super-2 number, since 2×25217276² = 1271822017720352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25217279) 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 15 ways as a sum of consecutive naturals, for example, 104516 + ... + 104756.

It is an arithmetic number, because the mean of its divisors is an integer number (1094324).

Almost surely, 2^25217276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25217276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26263776).

25217276 is an abundant number, since it is smaller than the sum of its proper divisors (27310276).

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

25217276 is a wasteful number, since it uses less digits than its factorization.

25217276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 25217276 is about 5021.6805951793. The cubic root of 25217276 is about 293.2464234031.

The spelling of 25217276 in words is "twenty-five million, two hundred seventeen thousand, two hundred seventy-six".