75683513 has 2 divisors, whose sum is σ = 75683514. Its totient is φ = 75683512.

The previous prime is 75683497. The next prime is 75683519. The reversal of 75683513 is 31538657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70425664 + 5257849 = 8392^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 75683513 - 2⁴ = 75683497 is a prime.

It is not a weakly prime, because it can be changed into another prime (75683519) 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, 37841756 + 37841757.

It is an arithmetic number, because the mean of its divisors is an integer number (37841757).

Almost surely, 2^75683513 is an apocalyptic number.

It is an amenable number.

75683513 is a deficient number, since it is larger than the sum of its proper divisors (1).

75683513 is an equidigital number, since it uses as much as digits as its factorization.

75683513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 75683513 is about 8699.6271759197. The cubic root of 75683513 is about 422.9935653201.

The spelling of 75683513 in words is "seventy-five million, six hundred eighty-three thousand, five hundred thirteen".