200042061 has 4 divisors (see below), whose sum is σ = 266722752. Its totient is φ = 133361372.

The previous prime is 200042053. The next prime is 200042069. The reversal of 200042061 is 160240002.

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 an interprime number because it is at equal distance from previous prime (200042053) and next prime (200042069).

It is a cyclic number.

It is not a de Polignac number, because 200042061 - 2³ = 200042053 is a prime.

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 200042061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200042069) 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, 33340341 + ... + 33340346.

It is an arithmetic number, because the mean of its divisors is an integer number (66680688).

Almost surely, 2^200042061 is an apocalyptic number.

It is an amenable number.

200042061 is a deficient number, since it is larger than the sum of its proper divisors (66680691).

200042061 is an equidigital number, since it uses as much as digits as its factorization.

200042061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66680690.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200042061 is about 14143.6226264702. The cubic root of 200042061 is about 584.8445404724.

Adding to 200042061 its reverse (160240002), we get a palindrome (360282063).

The spelling of 200042061 in words is "two hundred million, forty-two thousand, sixty-one".