25503116 has 12 divisors (see below), whose sum is σ = 44693880. Its totient is φ = 12733440.

The previous prime is 25503103. The next prime is 25503119. The reversal of 25503116 is 61130552.

It is a junction number, because it is equal to n+sod(n) for n = 25503091 and 25503100.

It is not an unprimeable number, because it can be changed into a prime (25503119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (3724490).

Almost surely, 2^25503116 is an apocalyptic number.

It is an amenable number.

25503116 is a deficient number, since it is larger than the sum of its proper divisors (19190764).

25503116 is a wasteful number, since it uses less digits than its factorization.

25503116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064 (or 9062 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 25503116 is about 5050.0609897307. The cubic root of 25503116 is about 294.3502543498.

Adding to 25503116 its reverse (61130552), we get a palindrome (86633668).

The spelling of 25503116 in words is "twenty-five million, five hundred three thousand, one hundred sixteen".