75332513 has 2 divisors, whose sum is σ = 75332514. Its totient is φ = 75332512.

The previous prime is 75332507. The next prime is 75332519. The reversal of 75332513 is 31523357.

It is a balanced prime because it is at equal distance from previous prime (75332507) and next prime (75332519).

It can be written as a sum of positive squares in only one way, i.e., 68840209 + 6492304 = 8297^2 + 2548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75332513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75332519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37666256 + 37666257.

It is an arithmetic number, because the mean of its divisors is an integer number (37666257).

Almost surely, 2^75332513 is an apocalyptic number.

It is an amenable number.

75332513 is a deficient number, since it is larger than the sum of its proper divisors (1).

75332513 is an equidigital number, since it uses as much as digits as its factorization.

75332513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 29.

The square root of 75332513 is about 8679.4304536646. The cubic root of 75332513 is about 422.3386412759.

The spelling of 75332513 in words is "seventy-five million, three hundred thirty-two thousand, five hundred thirteen".