165147533 has 2 divisors, whose sum is σ = 165147534. Its totient is φ = 165147532.

The previous prime is 165147529. The next prime is 165147551. The reversal of 165147533 is 335741561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147816964 + 17330569 = 12158^2 + 4163^2 .

It is an emirp because it is prime and its reverse (335741561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165147533 - 2² = 165147529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165147493 and 165147502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165147553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82573766 + 82573767.

It is an arithmetic number, because the mean of its divisors is an integer number (82573767).

Almost surely, 2^165147533 is an apocalyptic number.

It is an amenable number.

165147533 is a deficient number, since it is larger than the sum of its proper divisors (1).

165147533 is an equidigital number, since it uses as much as digits as its factorization.

165147533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 165147533 is about 12850.9740097784. The cubic root of 165147533 is about 548.6440792652.

The spelling of 165147533 in words is "one hundred sixty-five million, one hundred forty-seven thousand, five hundred thirty-three".