173002061 has 2 divisors, whose sum is σ = 173002062. Its totient is φ = 173002060.

The previous prime is 173002033. The next prime is 173002097. The reversal of 173002061 is 160200371.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 63904036 = 10445^2 + 7994^2 .

It is an emirp because it is prime and its reverse (160200371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173002061 is a prime.

It is a super-2 number, since 2×173002061² = 59859426220495442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173007061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86501030 + 86501031.

It is an arithmetic number, because the mean of its divisors is an integer number (86501031).

Almost surely, 2^173002061 is an apocalyptic number.

It is an amenable number.

173002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

173002061 is an equidigital number, since it uses as much as digits as its factorization.

173002061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 173002061 is about 13153.0247851967. The cubic root of 173002061 is about 557.2076782631.

The spelling of 173002061 in words is "one hundred seventy-three million, two thousand, sixty-one".