25002016 has 24 divisors (see below), whose sum is σ = 53009964. Its totient is φ = 11539200.

The previous prime is 25002001. The next prime is 25002037. The reversal of 25002016 is 61020052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24010000 + 992016 = 4900^2 + 996^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29635 + ... + 30466.

Almost surely, 2^25002016 is an apocalyptic number.

25002016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25002016 is an abundant number, since it is smaller than the sum of its proper divisors (28007948).

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

25002016 is a wasteful number, since it uses less digits than its factorization.

25002016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60124 (or 60116 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 25002016 is about 5000.2015959359. The cubic root of 25002016 is about 292.4096333697.

Adding to 25002016 its reverse (61020052), we get a palindrome (86022068).

The spelling of 25002016 in words is "twenty-five million, two thousand, sixteen".