75809141 has 2 divisors, whose sum is σ = 75809142. Its totient is φ = 75809140.

The previous prime is 75809131. The next prime is 75809143. The reversal of 75809141 is 14190857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 206116 = 8695^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 75809141 - 2⁶ = 75809077 is a prime.

Together with 75809143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75809143) 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, 37904570 + 37904571.

It is an arithmetic number, because the mean of its divisors is an integer number (37904571).

Almost surely, 2^75809141 is an apocalyptic number.

It is an amenable number.

75809141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75809141 is an equidigital number, since it uses as much as digits as its factorization.

75809141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 75809141 is about 8706.8444915480. The cubic root of 75809141 is about 423.2274800267.

Adding to 75809141 its reverse (14190857), we get a palindrome (89999998).

The spelling of 75809141 in words is "seventy-five million, eight hundred nine thousand, one hundred forty-one".