200046561 has 32 divisors (see below), whose sum is σ = 314280960. Its totient is φ = 111585600.

The previous prime is 200046533. The next prime is 200046569. The reversal of 200046561 is 165640002.

It is not a de Polignac number, because 200046561 - 2⁵ = 200046529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200046569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270330 + ... + 271068.

It is an arithmetic number, because the mean of its divisors is an integer number (9821280).

Almost surely, 2^200046561 is an apocalyptic number.

It is an amenable number.

200046561 is a deficient number, since it is larger than the sum of its proper divisors (114234399).

200046561 is a wasteful number, since it uses less digits than its factorization.

200046561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 200046561 is about 14143.7817078743. The cubic root of 200046561 is about 584.8489258513.

Adding to 200046561 its reverse (165640002), we get a palindrome (365686563).

It can be divided in two parts, 20004 and 6561, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 200046561 in words is "two hundred million, forty-six thousand, five hundred sixty-one".