75325993 has 2 divisors, whose sum is σ = 75325994. Its totient is φ = 75325992.

The previous prime is 75325973. The next prime is 75326003. The reversal of 75325993 is 39952357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74874409 + 451584 = 8653^2 + 672^2 .

It is a cyclic number.

It is not a de Polignac number, because 75325993 - 2⁵ = 75325961 is a prime.

It is not a weakly prime, because it can be changed into another prime (75325973) 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, 37662996 + 37662997.

It is an arithmetic number, because the mean of its divisors is an integer number (37662997).

Almost surely, 2^75325993 is an apocalyptic number.

It is an amenable number.

75325993 is a deficient number, since it is larger than the sum of its proper divisors (1).

75325993 is an equidigital number, since it uses as much as digits as its factorization.

75325993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 43.

The square root of 75325993 is about 8679.0548448549. The cubic root of 75325993 is about 422.3264565087.

The spelling of 75325993 in words is "seventy-five million, three hundred twenty-five thousand, nine hundred ninety-three".