165248029 has 2 divisors, whose sum is σ = 165248030. Its totient is φ = 165248028.

The previous prime is 165248021. The next prime is 165248051. The reversal of 165248029 is 920842561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155625625 + 9622404 = 12475^2 + 3102^2 .

It is an emirp because it is prime and its reverse (920842561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165248029 - 2³ = 165248021 is a prime.

It is a super-2 number, since 2×165248029² = 54613822176769682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165248021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82624014 + 82624015.

It is an arithmetic number, because the mean of its divisors is an integer number (82624015).

Almost surely, 2^165248029 is an apocalyptic number.

It is an amenable number.

165248029 is a deficient number, since it is larger than the sum of its proper divisors (1).

165248029 is an equidigital number, since it uses as much as digits as its factorization.

165248029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 165248029 is about 12854.8834689390. The cubic root of 165248029 is about 548.7553441329.

The spelling of 165248029 in words is "one hundred sixty-five million, two hundred forty-eight thousand, twenty-nine".