165482257 has 2 divisors, whose sum is σ = 165482258. Its totient is φ = 165482256.

The previous prime is 165482249. The next prime is 165482287. The reversal of 165482257 is 752284561.

165482257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119771136 + 45711121 = 10944^2 + 6761^2 .

It is a cyclic number.

It is not a de Polignac number, because 165482257 - 2³ = 165482249 is a prime.

It is not a weakly prime, because it can be changed into another prime (165482227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82741128 + 82741129.

It is an arithmetic number, because the mean of its divisors is an integer number (82741129).

Almost surely, 2^165482257 is an apocalyptic number.

It is an amenable number.

165482257 is a deficient number, since it is larger than the sum of its proper divisors (1).

165482257 is an equidigital number, since it uses as much as digits as its factorization.

165482257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 165482257 is about 12863.9907105066. The cubic root of 165482257 is about 549.0144963619.

The spelling of 165482257 in words is "one hundred sixty-five million, four hundred eighty-two thousand, two hundred fifty-seven".