200373961 has 4 divisors (see below), whose sum is σ = 200415124. Its totient is φ = 200332800.

The previous prime is 200373947. The next prime is 200373983. The reversal of 200373961 is 169373002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169373002 = 2 ⋅84686501.

It can be written as a sum of positive squares in 2 ways, for example, as 188540361 + 11833600 = 13731^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 200373961 - 2¹³ = 200365769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200373931) 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, 12120 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (50103781).

Almost surely, 2^200373961 is an apocalyptic number.

It is an amenable number.

200373961 is a deficient number, since it is larger than the sum of its proper divisors (41163).

200373961 is an equidigital number, since it uses as much as digits as its factorization.

200373961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41162.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 200373961 is about 14155.3509670372. The cubic root of 200373961 is about 585.1678102359.

The spelling of 200373961 in words is "two hundred million, three hundred seventy-three thousand, nine hundred sixty-one".