75311113 has 2 divisors, whose sum is σ = 75311114. Its totient is φ = 75311112.

The previous prime is 75311087. The next prime is 75311147. The reversal of 75311113 is 31111357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 24088464 = 7157^2 + 4908^2 .

It is an emirp because it is prime and its reverse (31111357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75311113 - 2⁹ = 75310601 is a prime.

It is not a weakly prime, because it can be changed into another prime (75311153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37655556 + 37655557.

It is an arithmetic number, because the mean of its divisors is an integer number (37655557).

Almost surely, 2^75311113 is an apocalyptic number.

It is an amenable number.

75311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

75311113 is an equidigital number, since it uses as much as digits as its factorization.

75311113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 315, while the sum is 22.

The square root of 75311113 is about 8678.1975663153. The cubic root of 75311113 is about 422.2986456949.

The spelling of 75311113 in words is "seventy-five million, three hundred eleven thousand, one hundred thirteen".