165034501 has 2 divisors, whose sum is σ = 165034502. Its totient is φ = 165034500.

The previous prime is 165034477. The next prime is 165034523. The reversal of 165034501 is 105430561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 34503876 = 11425^2 + 5874^2 .

It is a cyclic number.

It is not a de Polignac number, because 165034501 - 2⁵ = 165034469 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165034201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82517250 + 82517251.

It is an arithmetic number, because the mean of its divisors is an integer number (82517251).

Almost surely, 2^165034501 is an apocalyptic number.

It is an amenable number.

165034501 is a deficient number, since it is larger than the sum of its proper divisors (1).

165034501 is an equidigital number, since it uses as much as digits as its factorization.

165034501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 165034501 is about 12846.5754580744. The cubic root of 165034501 is about 548.5188811267.

The spelling of 165034501 in words is "one hundred sixty-five million, thirty-four thousand, five hundred one".