7531112513 has 2 divisors, whose sum is σ = 7531112514. Its totient is φ = 7531112512.

The previous prime is 7531112473. The next prime is 7531112543. The reversal of 7531112513 is 3152111357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4102658704 + 3428453809 = 64052^2 + 58553^2 .

It is a cyclic number.

It is not a de Polignac number, because 7531112513 - 2¹⁴ = 7531096129 is a prime.

It is not a weakly prime, because it can be changed into another prime (7531112543) by changing a digit.

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 as a sum of consecutive naturals, namely, 3765556256 + 3765556257.

It is an arithmetic number, because the mean of its divisors is an integer number (3765556257).

Almost surely, 2^7531112513 is an apocalyptic number.

It is an amenable number.

7531112513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7531112513 is an equidigital number, since it uses as much as digits as its factorization.

7531112513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 29.

The square root of 7531112513 is about 86781.9826519307. The cubic root of 7531112513 is about 1960.1367835437.

The spelling of 7531112513 in words is "seven billion, five hundred thirty-one million, one hundred twelve thousand, five hundred thirteen".