200285247 has 4 divisors (see below), whose sum is σ = 267047000. Its totient is φ = 133523496.

The previous prime is 200285243. The next prime is 200285291. The reversal of 200285247 is 742582002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200285247 - 2² = 200285243 is a prime.

It is a super-2 number, since 2×200285247² = 80228360331702018, 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 (200285243) 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, 33380872 + ... + 33380877.

It is an arithmetic number, because the mean of its divisors is an integer number (66761750).

Almost surely, 2^200285247 is an apocalyptic number.

200285247 is a deficient number, since it is larger than the sum of its proper divisors (66761753).

200285247 is an equidigital number, since it uses as much as digits as its factorization.

200285247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66761752.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 200285247 is about 14152.2170347971. The cubic root of 200285247 is about 585.0814380014.

The spelling of 200285247 in words is "two hundred million, two hundred eighty-five thousand, two hundred forty-seven".