200997937 has 4 divisors (see below), whose sum is σ = 229711936. Its totient is φ = 172283940.

The previous prime is 200997931. The next prime is 200997961. The reversal of 200997937 is 739799002.

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 a cyclic number.

It is not a de Polignac number, because 200997937 - 2⁷ = 200997809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200997931) 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, 14356989 + ... + 14357002.

It is an arithmetic number, because the mean of its divisors is an integer number (57427984).

Almost surely, 2^200997937 is an apocalyptic number.

It is an amenable number.

200997937 is a deficient number, since it is larger than the sum of its proper divisors (28713999).

200997937 is an equidigital number, since it uses as much as digits as its factorization.

200997937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28713998.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 200997937 is about 14177.3741221709. The cubic root of 200997937 is about 585.7745961834.

The spelling of 200997937 in words is "two hundred million, nine hundred ninety-seven thousand, nine hundred thirty-seven".