200897401 has 4 divisors (see below), whose sum is σ = 204687972. Its totient is φ = 197106832.

The previous prime is 200897353. The next prime is 200897441. The reversal of 200897401 is 104798002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50197225 + 150700176 = 7085^2 + 12276^2 .

It is a cyclic number.

It is not a de Polignac number, because 200897401 - 2²³ = 192508793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200897441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895206 + ... + 1895311.

It is an arithmetic number, because the mean of its divisors is an integer number (51171993).

Almost surely, 2^200897401 is an apocalyptic number.

It is an amenable number.

200897401 is a deficient number, since it is larger than the sum of its proper divisors (3790571).

200897401 is an equidigital number, since it uses as much as digits as its factorization.

200897401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790570.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 200897401 is about 14173.8280291529. The cubic root of 200897401 is about 585.6769148220.

The spelling of 200897401 in words is "two hundred million, eight hundred ninety-seven thousand, four hundred one".