200636461 has 4 divisors (see below), whose sum is σ = 200668000. Its totient is φ = 200604924.

The previous prime is 200636453. The next prime is 200636477. The reversal of 200636461 is 164636002.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164636002 = 2 ⋅82318001.

It is a cyclic number.

It is not a de Polignac number, because 200636461 - 2³ = 200636453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200630461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511 + ... + 20188.

It is an arithmetic number, because the mean of its divisors is an integer number (50167000).

Almost surely, 2^200636461 is an apocalyptic number.

It is an amenable number.

200636461 is a deficient number, since it is larger than the sum of its proper divisors (31539).

200636461 is an equidigital number, since it uses as much as digits as its factorization.

200636461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31538.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 200636461 is about 14164.6200443217. The cubic root of 200636461 is about 585.4232318499.

The spelling of 200636461 in words is "two hundred million, six hundred thirty-six thousand, four hundred sixty-one".