75186113 has 2 divisors, whose sum is σ = 75186114. Its totient is φ = 75186112.

The previous prime is 75186077. The next prime is 75186143. The reversal of 75186113 is 31168157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59089969 + 16096144 = 7687^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 75186113 - 2⁶ = 75186049 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75186113.

It is not a weakly prime, because it can be changed into another prime (75186143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37593056 + 37593057.

It is an arithmetic number, because the mean of its divisors is an integer number (37593057).

Almost surely, 2^75186113 is an apocalyptic number.

It is an amenable number.

75186113 is a deficient number, since it is larger than the sum of its proper divisors (1).

75186113 is an equidigital number, since it uses as much as digits as its factorization.

75186113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 75186113 is about 8670.9926190719. The cubic root of 75186113 is about 422.0648751365.

It can be divided in two parts, 7518 and 6113, that added together give a palindrome (13631).

The spelling of 75186113 in words is "seventy-five million, one hundred eighty-six thousand, one hundred thirteen".