2530305573 has 4 divisors (see below), whose sum is σ = 3373740768. Its totient is φ = 1686870380.

The previous prime is 2530305571. The next prime is 2530305577. The reversal of 2530305573 is 3755030352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2530305573 - 2¹ = 2530305571 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530305571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421717593 + ... + 421717598.

It is an arithmetic number, because the mean of its divisors is an integer number (843435192).

Almost surely, 2^2530305573 is an apocalyptic number.

It is an amenable number.

2530305573 is a deficient number, since it is larger than the sum of its proper divisors (843435195).

2530305573 is an equidigital number, since it uses as much as digits as its factorization.

2530305573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843435194.

The product of its (nonzero) digits is 47250, while the sum is 33.

The square root of 2530305573 is about 50302.1428271202. The cubic root of 2530305573 is about 1362.6709284534.

The spelling of 2530305573 in words is "two billion, five hundred thirty million, three hundred five thousand, five hundred seventy-three".