200285261 has 4 divisors (see below), whose sum is σ = 218493024. Its totient is φ = 182077500.

The previous prime is 200285243. The next prime is 200285291. The reversal of 200285261 is 162582002.

200285261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200285261 - 2¹⁴ = 200268877 is a prime.

It is a super-2 number, since 2×200285261² = 80228371547676242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200285261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200285201) 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, 9103865 + ... + 9103886.

It is an arithmetic number, because the mean of its divisors is an integer number (54623256).

Almost surely, 2^200285261 is an apocalyptic number.

It is an amenable number.

200285261 is a deficient number, since it is larger than the sum of its proper divisors (18207763).

200285261 is a wasteful number, since it uses less digits than its factorization.

200285261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18207762.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 200285261 is about 14152.2175294192. The cubic root of 200285261 is about 585.0814516338.

The spelling of 200285261 in words is "two hundred million, two hundred eighty-five thousand, two hundred sixty-one".