169025201 has 4 divisors (see below), whose sum is σ = 169068900. Its totient is φ = 168981504.

The previous prime is 169025173. The next prime is 169025249. The reversal of 169025201 is 102520961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102520961 = 331 ⋅309731.

It can be written as a sum of positive squares in 2 ways, for example, as 131079601 + 37945600 = 11449^2 + 6160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169025201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169025261) 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 3 ways as a sum of consecutive naturals, for example, 15416 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (42267225).

Almost surely, 2^169025201 is an apocalyptic number.

It is an amenable number.

169025201 is a deficient number, since it is larger than the sum of its proper divisors (43699).

169025201 is an equidigital number, since it uses as much as digits as its factorization.

169025201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43698.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 169025201 is about 13000.9692330995. The cubic root of 169025201 is about 552.9049613933.

The spelling of 169025201 in words is "one hundred sixty-nine million, twenty-five thousand, two hundred one".