200521401 has 8 divisors (see below), whose sum is σ = 267512544. Its totient is φ = 133605600.

The previous prime is 200521397. The next prime is 200521417. The reversal of 200521401 is 104125002.

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

It is not a de Polignac number, because 200521401 - 2² = 200521397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200521441) 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 7 ways as a sum of consecutive naturals, for example, 12300 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (33439068).

Almost surely, 2^200521401 is an apocalyptic number.

It is an amenable number.

200521401 is a deficient number, since it is larger than the sum of its proper divisors (66991143).

200521401 is a wasteful number, since it uses less digits than its factorization.

200521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37671.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 200521401 is about 14160.5579339234. The cubic root of 200521401 is about 585.3113019161.

Adding to 200521401 its reverse (104125002), we get a palindrome (304646403).

The spelling of 200521401 in words is "two hundred million, five hundred twenty-one thousand, four hundred one".