165225241 has 8 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 162814848.

The previous prime is 165225217. The next prime is 165225253. The reversal of 165225241 is 142522561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165225241 - 2¹³ = 165217049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165225211) 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 in 7 ways as a sum of consecutive naturals, for example, 19620 + ... + 26746.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^165225241 is an apocalyptic number.

It is an amenable number.

165225241 is a deficient number, since it is larger than the sum of its proper divisors (2425319).

165225241 is an equidigital number, since it uses as much as digits as its factorization.

165225241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463.

The product of its digits is 4800, while the sum is 28.

The square root of 165225241 is about 12853.9970826199. The cubic root of 165225241 is about 548.7301181908.

The spelling of 165225241 in words is "one hundred sixty-five million, two hundred twenty-five thousand, two hundred forty-one".