412161 has 4 divisors (see below), whose sum is σ = 549552. Its totient is φ = 274772.

The previous prime is 412157. The next prime is 412171. The reversal of 412161 is 161214.

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 412161 - 2² = 412157 is a prime.

It is an Ulam number.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

412161 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 412161.

It is not an unprimeable number, because it can be changed into a prime (412171) 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, 68691 + ... + 68696.

It is an arithmetic number, because the mean of its divisors is an integer number (137388).

2⁴¹²¹⁶¹ is an apocalyptic number.

It is an amenable number.

412161 is a deficient number, since it is larger than the sum of its proper divisors (137391).

412161 is a wasteful number, since it uses less digits than its factorization.

412161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137390.

The product of its digits is 48, while the sum is 15.

The square root of 412161 is about 641.9976635472. The cubic root of 412161 is about 74.4198799344.

Adding to 412161 its reverse (161214), we get a palindrome (573375).

The spelling of 412161 in words is "four hundred twelve thousand, one hundred sixty-one".