30082520173 has 2 divisors, whose sum is σ = 30082520174. Its totient is φ = 30082520172.

The previous prime is 30082520161. The next prime is 30082520177. The reversal of 30082520173 is 37102528003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27542057764 + 2540462409 = 165958^2 + 50403^2 .

It is a cyclic number.

It is not a de Polignac number, because 30082520173 - 2⁹ = 30082519661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30082520177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15041260086 + 15041260087.

It is an arithmetic number, because the mean of its divisors is an integer number (15041260087).

Almost surely, 2^30082520173 is an apocalyptic number.

It is an amenable number.

30082520173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30082520173 is an equidigital number, since it uses as much as digits as its factorization.

30082520173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 30082520173 in words is "thirty billion, eighty-two million, five hundred twenty thousand, one hundred seventy-three".