25017116224 has 63 divisors (see below), whose sum is σ = 52780695937. Its totient is φ = 11762637824.

The previous prime is 25017116183. The next prime is 25017116231. The reversal of 25017116224 is 42261171052.

The square root of 25017116224 is 158168.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19476993600 + 5540122624 = 139560^2 + 74432^2 .

It is a super-2 number, since 2×25017116224² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21510267 + ... + 21511429.

Almost surely, 2^25017116224 is an apocalyptic number.

25017116224 is the 158168-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25017116224

25017116224 is an abundant number, since it is smaller than the sum of its proper divisors (27763579713).

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

25017116224 is an frugal number, since it uses more digits than its factorization.

25017116224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 25017116224 its reverse (42261171052), we get a palindrome (67278287276).

The spelling of 25017116224 in words is "twenty-five billion, seventeen million, one hundred sixteen thousand, two hundred twenty-four".