2315543525 has 12 divisors (see below), whose sum is σ = 2871886500. Its totient is φ = 1852039680.

The previous prime is 2315543491. The next prime is 2315543537. The reversal of 2315543525 is 5253455132.

It can be written as a sum of positive squares in 6 ways, for example, as 9431041 + 2306112484 = 3071^2 + 48022^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2315543525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185171 + ... + 197279.

It is an arithmetic number, because the mean of its divisors is an integer number (239323875).

Almost surely, 2^2315543525 is an apocalyptic number.

2315543525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2315543525 is a deficient number, since it is larger than the sum of its proper divisors (556342975).

2315543525 is a wasteful number, since it uses less digits than its factorization.

2315543525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19768 (or 19763 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 2315543525 is about 48120.0948149523. The cubic root of 2315543525 is about 1322.9730060478.

Adding to 2315543525 its reverse (5253455132), we get a palindrome (7568998657).

The spelling of 2315543525 in words is "two billion, three hundred fifteen million, five hundred forty-three thousand, five hundred twenty-five".