169245053 has 2 divisors, whose sum is σ = 169245054. Its totient is φ = 169245052.

The previous prime is 169245029. The next prime is 169245091. The reversal of 169245053 is 350542961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112423609 + 56821444 = 10603^2 + 7538^2 .

It is an emirp because it is prime and its reverse (350542961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169245053 - 2⁸ = 169244797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_9463139 and since 169245053 and 9463139 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169242053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84622526 + 84622527.

It is an arithmetic number, because the mean of its divisors is an integer number (84622527).

Almost surely, 2^169245053 is an apocalyptic number.

It is an amenable number.

169245053 is a deficient number, since it is larger than the sum of its proper divisors (1).

169245053 is an equidigital number, since it uses as much as digits as its factorization.

169245053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 169245053 is about 13009.4217012133. The cubic root of 169245053 is about 553.1445796978.

The spelling of 169245053 in words is "one hundred sixty-nine million, two hundred forty-five thousand, fifty-three".