75775313 has 2 divisors, whose sum is σ = 75775314. Its totient is φ = 75775312.

The previous prime is 75775283. The next prime is 75775321. The reversal of 75775313 is 31357757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 4068289 = 8468^2 + 2017^2 .

It is a cyclic number.

It is not a de Polignac number, because 75775313 - 2¹⁸ = 75513169 is a prime.

It is not a weakly prime, because it can be changed into another prime (75775373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37887656 + 37887657.

It is an arithmetic number, because the mean of its divisors is an integer number (37887657).

Almost surely, 2^75775313 is an apocalyptic number.

It is an amenable number.

75775313 is a deficient number, since it is larger than the sum of its proper divisors (1).

75775313 is an equidigital number, since it uses as much as digits as its factorization.

75775313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77175, while the sum is 38.

The square root of 75775313 is about 8704.9016651539. The cubic root of 75775313 is about 423.1645189771.

The spelling of 75775313 in words is "seventy-five million, seven hundred seventy-five thousand, three hundred thirteen".