169028201 has 2 divisors, whose sum is σ = 169028202. Its totient is φ = 169028200.

The previous prime is 169028191. The next prime is 169028207. The reversal of 169028201 is 102820961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158634025 + 10394176 = 12595^2 + 3224^2 .

It is an emirp because it is prime and its reverse (102820961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169028201 - 2⁶ = 169028137 is a prime.

It is a super-4 number, since 4×169028201⁴ (a number of 34 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (169028207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84514100 + 84514101.

It is an arithmetic number, because the mean of its divisors is an integer number (84514101).

Almost surely, 2^169028201 is an apocalyptic number.

It is an amenable number.

169028201 is a deficient number, since it is larger than the sum of its proper divisors (1).

169028201 is an equidigital number, since it uses as much as digits as its factorization.

169028201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 169028201 is about 13001.0846086009. The cubic root of 169028201 is about 552.9082325132.

The spelling of 169028201 in words is "one hundred sixty-nine million, twenty-eight thousand, two hundred one".