2530307522 has 6 divisors (see below), whose sum is σ = 3795567993. Its totient is φ = 1265118192.

The previous prime is 2530307519. The next prime is 2530307543. The reversal of 2530307522 is 2257030352.

It is a happy number.

2530307522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1661296081 + 869011441 = 40759^2 + 29479^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=35569.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 53354 + ... + 88922.

Almost surely, 2^2530307522 is an apocalyptic number.

2530307522 is a deficient number, since it is larger than the sum of its proper divisors (1265260471).

2530307522 is an frugal number, since it uses more digits than its factorization.

2530307522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71140 (or 35571 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 2530307522 is about 50302.1622000486. The cubic root of 2530307522 is about 1362.6712783248.

Adding to 2530307522 its reverse (2257030352), we get a palindrome (4787337874).

The spelling of 2530307522 in words is "two billion, five hundred thirty million, three hundred seven thousand, five hundred twenty-two".