75250213 has 2 divisors, whose sum is σ = 75250214. Its totient is φ = 75250212.

The previous prime is 75250183. The next prime is 75250229. The reversal of 75250213 is 31205257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66292164 + 8958049 = 8142^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75250213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75250283) 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, 37625106 + 37625107.

It is an arithmetic number, because the mean of its divisors is an integer number (37625107).

Almost surely, 2^75250213 is an apocalyptic number.

It is an amenable number.

75250213 is a deficient number, since it is larger than the sum of its proper divisors (1).

75250213 is an equidigital number, since it uses as much as digits as its factorization.

75250213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 75250213 is about 8674.6880635559. The cubic root of 75250213 is about 422.1847850181.

The spelling of 75250213 in words is "seventy-five million, two hundred fifty thousand, two hundred thirteen".