2530307523 has 16 divisors (see below), whose sum is σ = 3655276416. Its totient is φ = 1550720640.

The previous prime is 2530307519. The next prime is 2530307543. The reversal of 2530307523 is 3257030352.

It is not a de Polignac number, because 2530307523 - 2² = 2530307519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530307543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574713 + ... + 579098.

It is an arithmetic number, because the mean of its divisors is an integer number (228454776).

Almost surely, 2^2530307523 is an apocalyptic number.

2530307523 is a deficient number, since it is larger than the sum of its proper divisors (1124968893).

2530307523 is a wasteful number, since it uses less digits than its factorization.

2530307523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153874.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 2530307523 is about 50302.1622099885. The cubic root of 2530307523 is about 1362.6712785043.

Adding to 2530307523 its reverse (3257030352), we get a palindrome (5787337875).

The spelling of 2530307523 in words is "two billion, five hundred thirty million, three hundred seven thousand, five hundred twenty-three".