415712161 has 4 divisors (see below), whose sum is σ = 425851524. Its totient is φ = 405572800.

The previous prime is 415712123. The next prime is 415712233. The reversal of 415712161 is 161217514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161217514 = 2 ⋅80608757.

It can be written as a sum of positive squares in 2 ways, for example, as 13950225 + 401761936 = 3735^2 + 20044^2 .

It is a cyclic number.

It is not a de Polignac number, because 415712161 - 2⁹ = 415711649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415112161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5069620 + ... + 5069701.

It is an arithmetic number, because the mean of its divisors is an integer number (106462881).

Almost surely, 2^415712161 is an apocalyptic number.

415712161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

415712161 is a deficient number, since it is larger than the sum of its proper divisors (10139363).

415712161 is a wasteful number, since it uses less digits than its factorization.

415712161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139362.

The product of its digits is 1680, while the sum is 28.

The square root of 415712161 is about 20389.0205993324. The cubic root of 415712161 is about 746.3300181959.

Adding to 415712161 its reverse (161217514), we get a palindrome (576929675).

The spelling of 415712161 in words is "four hundred fifteen million, seven hundred twelve thousand, one hundred sixty-one".