16243025 has 12 divisors (see below), whose sum is σ = 20427264. Its totient is φ = 12810000.

The previous prime is 16243021. The next prime is 16243033. The reversal of 16243025 is 52034261.

It is not a de Polignac number, because 16243025 - 2² = 16243021 is a prime.

It is a super-2 number, since 2×16243025² = 527671722301250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2801 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1702272).

Almost surely, 2^16243025 is an apocalyptic number.

It is an amenable number.

16243025 is a deficient number, since it is larger than the sum of its proper divisors (4184239).

16243025 is an equidigital number, since it uses as much as digits as its factorization.

16243025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232 (or 9227 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 16243025 is about 4030.2636390192. The cubic root of 16243025 is about 253.2536058362.

Adding to 16243025 its reverse (52034261), we get a palindrome (68277286).

The spelling of 16243025 in words is "sixteen million, two hundred forty-three thousand, twenty-five".