406325165 has 16 divisors (see below), whose sum is σ = 515856000. Its totient is φ = 306389952.

The previous prime is 406325159. The next prime is 406325201. The reversal of 406325165 is 561523604.

It is not a de Polignac number, because 406325165 - 2¹⁴ = 406308781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8159 + ... + 29651.

It is an arithmetic number, because the mean of its divisors is an integer number (32241000).

Almost surely, 2^406325165 is an apocalyptic number.

It is an amenable number.

406325165 is a deficient number, since it is larger than the sum of its proper divisors (109530835).

406325165 is a wasteful number, since it uses less digits than its factorization.

406325165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 406325165 is about 20157.5088986710. The cubic root of 406325165 is about 740.6696914167.

Adding to 406325165 its reverse (561523604), we get a palindrome (967848769).

The spelling of 406325165 in words is "four hundred six million, three hundred twenty-five thousand, one hundred sixty-five".