406625201 has 4 divisors (see below), whose sum is σ = 407670900. Its totient is φ = 405579504.

The previous prime is 406625173. The next prime is 406625203. The reversal of 406625201 is 102526604.

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 66259600 + 340365601 = 8140^2 + 18449^2 .

It is a cyclic number.

It is not a de Polignac number, because 406625201 - 2¹⁰ = 406624177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406625203) 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, 522266 + ... + 523043.

It is an arithmetic number, because the mean of its divisors is an integer number (101917725).

Almost surely, 2^406625201 is an apocalyptic number.

It is an amenable number.

406625201 is a deficient number, since it is larger than the sum of its proper divisors (1045699).

406625201 is a wasteful number, since it uses less digits than its factorization.

406625201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045698.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 406625201 is about 20164.9498139718. The cubic root of 406625201 is about 740.8519534033.

The spelling of 406625201 in words is "four hundred six million, six hundred twenty-five thousand, two hundred one".