401599201 has 2 divisors, whose sum is σ = 401599202. Its totient is φ = 401599200.

The previous prime is 401599171. The next prime is 401599241. The reversal of 401599201 is 102995104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376398801 + 25200400 = 19401^2 + 5020^2 .

It is a cyclic number.

It is not a de Polignac number, because 401599201 - 2⁹ = 401598689 is a prime.

It is a super-2 number, since 2×401599201² = 322563836487676802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401599241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200799600 + 200799601.

It is an arithmetic number, because the mean of its divisors is an integer number (200799601).

Almost surely, 2^401599201 is an apocalyptic number.

It is an amenable number.

401599201 is a deficient number, since it is larger than the sum of its proper divisors (1).

401599201 is an equidigital number, since it uses as much as digits as its factorization.

401599201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 401599201 is about 20039.9401446212. The cubic root of 401599201 is about 737.7869118663.

The spelling of 401599201 in words is "four hundred one million, five hundred ninety-nine thousand, two hundred one".