200561434 has 8 divisors (see below), whose sum is σ = 306518580. Its totient is φ = 98388576.

The previous prime is 200561429. The next prime is 200561437. The reversal of 200561434 is 434165002.

It can be written as a sum of positive squares in 2 ways, for example, as 198725409 + 1836025 = 14097^2 + 1355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 200561399 and 200561408.

It is not an unprimeable number, because it can be changed into a prime (200561437) 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, 945939 + ... + 946150.

Almost surely, 2^200561434 is an apocalyptic number.

200561434 is a deficient number, since it is larger than the sum of its proper divisors (105957146).

200561434 is a wasteful number, since it uses less digits than its factorization.

200561434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892144.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 200561434 is about 14161.9714023154. The cubic root of 200561434 is about 585.3502507234.

The spelling of 200561434 in words is "two hundred million, five hundred sixty-one thousand, four hundred thirty-four".