16836025 has 6 divisors (see below), whose sum is σ = 20876702. Its totient is φ = 13468800.

The previous prime is 16835971. The next prime is 16836049. The reversal of 16836025 is 52063861.

It can be written as a sum of positive squares in 3 ways, for example, as 4247721 + 12588304 = 2061^2 + 3548^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16836025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336696 + ... + 336745.

Almost surely, 2^16836025 is an apocalyptic number.

It is an amenable number.

16836025 is a deficient number, since it is larger than the sum of its proper divisors (4040677).

16836025 is an equidigital number, since it uses as much as digits as its factorization.

16836025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673451 (or 673446 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16836025 is about 4103.1725530375. The cubic root of 16836025 is about 256.2987692226.

Adding to 16836025 its reverse (52063861), we get a palindrome (68899886).

The spelling of 16836025 in words is "sixteen million, eight hundred thirty-six thousand, twenty-five".