407161 has 4 divisors (see below), whose sum is σ = 415872. Its totient is φ = 398452.

The previous prime is 407153. The next prime is 407177. The reversal of 407161 is 161704.

It is a happy number.

It is the 261-st star number.

407161 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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 407161 - 2³ = 407153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285 + ... + 4378.

It is an arithmetic number, because the mean of its divisors is an integer number (103968).

2⁴⁰⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

407161 is a deficient number, since it is larger than the sum of its proper divisors (8711).

407161 is an equidigital number, since it uses as much as digits as its factorization.

407161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 407161 is about 638.0916862019. The cubic root of 407161 is about 74.1177210760.

Adding to 407161 its reverse (161704), we get a palindrome (568865).

The spelling of 407161 in words is "four hundred seven thousand, one hundred sixty-one".