2730520171 has 2 divisors, whose sum is σ = 2730520172. Its totient is φ = 2730520170.

The previous prime is 2730520073. The next prime is 2730520183. The reversal of 2730520171 is 1710250372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2730520171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2730520271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365260085 + 1365260086.

It is an arithmetic number, because the mean of its divisors is an integer number (1365260086).

Almost surely, 2^2730520171 is an apocalyptic number.

2730520171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730520171 is an equidigital number, since it uses as much as digits as its factorization.

2730520171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2730520171 is about 52254.3794432582. The cubic root of 2730520171 is about 1397.7037478669.

The spelling of 2730520171 in words is "two billion, seven hundred thirty million, five hundred twenty thousand, one hundred seventy-one".