25016512 has 14 divisors (see below), whose sum is σ = 49642268. Its totient is φ = 12508224.

The previous prime is 25016501. The next prime is 25016513. The reversal of 25016512 is 21561052.

It is a super-2 number, since 2×25016512² = 1251651745292288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25016513) 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 as a sum of consecutive naturals, namely, 195378 + ... + 195505.

Almost surely, 2^25016512 is an apocalyptic number.

It is an amenable number.

25016512 is a deficient number, since it is larger than the sum of its proper divisors (24625756).

25016512 is an equidigital number, since it uses as much as digits as its factorization.

25016512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390895 (or 390885 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 25016512 is about 5001.6509274439. The cubic root of 25016512 is about 292.4661348282.

Adding to 25016512 its reverse (21561052), we get a palindrome (46577564).

The spelling of 25016512 in words is "twenty-five million, sixteen thousand, five hundred twelve".