25103016 has 48 divisors (see below), whose sum is σ = 71990100. Its totient is φ = 7875072.

The previous prime is 25103011. The next prime is 25103017. The reversal of 25103016 is 61030152.

It can be written as a sum of positive squares in 2 ways, for example, as 25100100 + 2916 = 5010^2 + 54^2 .

It is a super-3 number, since 3×25103016³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 25103016.

It is not an unprimeable number, because it can be changed into a prime (25103011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9031 + ... + 11478.

Almost surely, 2^25103016 is an apocalyptic number.

It is an amenable number.

25103016 is an abundant number, since it is smaller than the sum of its proper divisors (46887084).

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

25103016 is a wasteful number, since it uses less digits than its factorization.

25103016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20538 (or 20531 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 25103016 is about 5010.2910095123. The cubic root of 25103016 is about 292.8028509084.

Adding to 25103016 its reverse (61030152), we get a palindrome (86133168).

It can be divided in two parts, 25 and 103016, that added together give a square (103041 = 321²).

The spelling of 25103016 in words is "twenty-five million, one hundred three thousand, sixteen".