465785161 has 2 divisors, whose sum is σ = 465785162. Its totient is φ = 465785160.

The previous prime is 465785093. The next prime is 465785179. The reversal of 465785161 is 161587564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274101136 + 191684025 = 16556^2 + 13845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465785161 is a prime.

It is not a weakly prime, because it can be changed into another prime (465783161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232892580 + 232892581.

It is an arithmetic number, because the mean of its divisors is an integer number (232892581).

Almost surely, 2^465785161 is an apocalyptic number.

It is an amenable number.

465785161 is a deficient number, since it is larger than the sum of its proper divisors (1).

465785161 is an equidigital number, since it uses as much as digits as its factorization.

465785161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 465785161 is about 21582.0564590124. The cubic root of 465785161 is about 775.1668935060.

The spelling of 465785161 in words is "four hundred sixty-five million, seven hundred eighty-five thousand, one hundred sixty-one".