16852025 has 18 divisors (see below), whose sum is σ = 21472026. Its totient is φ = 13120000.

The previous prime is 16852021. The next prime is 16852051. The reversal of 16852025 is 52025861.

It can be written as a sum of positive squares in 9 ways, for example, as 7929856 + 8922169 = 2816^2 + 2987^2 .

It is not a de Polignac number, because 16852025 - 2² = 16852021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16852021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41825 + ... + 42225.

Almost surely, 2^16852025 is an apocalyptic number.

It is an amenable number.

16852025 is a deficient number, since it is larger than the sum of its proper divisors (4620001).

16852025 is an equidigital number, since it uses as much as digits as its factorization.

16852025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 16852025 is about 4105.1218008727. The cubic root of 16852025 is about 256.3799341045.

Adding to 16852025 its reverse (52025861), we get a palindrome (68877886).

The spelling of 16852025 in words is "sixteen million, eight hundred fifty-two thousand, twenty-five".