415322161 has 2 divisors, whose sum is σ = 415322162. Its totient is φ = 415322160.

The previous prime is 415322143. The next prime is 415322177. The reversal of 415322161 is 161223514.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212430625 + 202891536 = 14575^2 + 14244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415322161 is a prime.

It is not a weakly prime, because it can be changed into another prime (415322111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207661080 + 207661081.

It is an arithmetic number, because the mean of its divisors is an integer number (207661081).

Almost surely, 2^415322161 is an apocalyptic number.

It is an amenable number.

415322161 is a deficient number, since it is larger than the sum of its proper divisors (1).

415322161 is an equidigital number, since it uses as much as digits as its factorization.

415322161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 415322161 is about 20379.4543842567. The cubic root of 415322161 is about 746.0965555553.

Adding to 415322161 its reverse (161223514), we get a palindrome (576545675).

The spelling of 415322161 in words is "four hundred fifteen million, three hundred twenty-two thousand, one hundred sixty-one".