64200243 has 16 divisors (see below), whose sum is σ = 87306912. Its totient is φ = 41952000.

The previous prime is 64200233. The next prime is 64200277. The reversal of 64200243 is 34200246.

It is not a de Polignac number, because 64200243 - 2⁶ = 64200179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64200223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83983 + ... + 84743.

It is an arithmetic number, because the mean of its divisors is an integer number (5456682).

Almost surely, 2^64200243 is an apocalyptic number.

64200243 is a deficient number, since it is larger than the sum of its proper divisors (23106669).

64200243 is a wasteful number, since it uses less digits than its factorization.

64200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64200243 is about 8012.5054134147. The cubic root of 64200243 is about 400.4167385883.

Adding to 64200243 its reverse (34200246), we get a palindrome (98400489).

The spelling of 64200243 in words is "sixty-four million, two hundred thousand, two hundred forty-three".