2520605273 has 4 divisors (see below), whose sum is σ = 2521168308. Its totient is φ = 2520042240.

The previous prime is 2520605239. The next prime is 2520605281. The reversal of 2520605273 is 3725060252.

2520605273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 2476356169 = 6652^2 + 49763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520605273 - 2¹⁸ = 2520343129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520605203) 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, 274748 + ... + 283773.

It is an arithmetic number, because the mean of its divisors is an integer number (630292077).

Almost surely, 2^2520605273 is an apocalyptic number.

It is an amenable number.

2520605273 is a deficient number, since it is larger than the sum of its proper divisors (563035).

2520605273 is an equidigital number, since it uses as much as digits as its factorization.

2520605273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563034.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2520605273 is about 50205.6298934691. The cubic root of 2520605273 is about 1360.9273650840.

The spelling of 2520605273 in words is "two billion, five hundred twenty million, six hundred five thousand, two hundred seventy-three".