16236245 has 4 divisors (see below), whose sum is σ = 19483500. Its totient is φ = 12988992.

The previous prime is 16236221. The next prime is 16236247. The reversal of 16236245 is 54263261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54263261 = 13 ⋅4174097.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 4635409 = 3406^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 16236245 - 2¹² = 16232149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16236247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623620 + ... + 1623629.

It is an arithmetic number, because the mean of its divisors is an integer number (4870875).

Almost surely, 2^16236245 is an apocalyptic number.

It is an amenable number.

16236245 is a deficient number, since it is larger than the sum of its proper divisors (3247255).

16236245 is an equidigital number, since it uses as much as digits as its factorization.

16236245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247254.

The product of its digits is 8640, while the sum is 29.

The square root of 16236245 is about 4029.4224151856. The cubic root of 16236245 is about 253.2183640753.

The spelling of 16236245 in words is "sixteen million, two hundred thirty-six thousand, two hundred forty-five".