75564283 has 2 divisors, whose sum is σ = 75564284. Its totient is φ = 75564282.

The previous prime is 75564263. The next prime is 75564289. The reversal of 75564283 is 38246557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75564283 - 2²¹ = 73467131 is a prime.

It is not a weakly prime, because it can be changed into another prime (75564289) 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, 37782141 + 37782142.

It is an arithmetic number, because the mean of its divisors is an integer number (37782142).

Almost surely, 2^75564283 is an apocalyptic number.

75564283 is a deficient number, since it is larger than the sum of its proper divisors (1).

75564283 is an equidigital number, since it uses as much as digits as its factorization.

75564283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 75564283 is about 8692.7718824320. The cubic root of 75564283 is about 422.7713239189.

The spelling of 75564283 in words is "seventy-five million, five hundred sixty-four thousand, two hundred eighty-three".