401673201 has 4 divisors (see below), whose sum is σ = 535564272. Its totient is φ = 267782132.

The previous prime is 401673197. The next prime is 401673247. The reversal of 401673201 is 102376104.

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 401673201 - 2² = 401673197 is a prime.

It is a super-2 number, since 2×401673201² = 322682720803172802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401673001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66945531 + ... + 66945536.

It is an arithmetic number, because the mean of its divisors is an integer number (133891068).

Almost surely, 2^401673201 is an apocalyptic number.

It is an amenable number.

401673201 is a deficient number, since it is larger than the sum of its proper divisors (133891071).

401673201 is a wasteful number, since it uses less digits than its factorization.

401673201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133891070.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 401673201 is about 20041.7863724769. The cubic root of 401673201 is about 737.8322247706.

The spelling of 401673201 in words is "four hundred one million, six hundred seventy-three thousand, two hundred one".