75245563 has 2 divisors, whose sum is σ = 75245564. Its totient is φ = 75245562.

The previous prime is 75245551. The next prime is 75245593. The reversal of 75245563 is 36554257.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75245563 - 2²⁵ = 41691131 is a prime.

It is not a weakly prime, because it can be changed into another prime (75245593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37622781 + 37622782.

It is an arithmetic number, because the mean of its divisors is an integer number (37622782).

Almost surely, 2^75245563 is an apocalyptic number.

75245563 is a deficient number, since it is larger than the sum of its proper divisors (1).

75245563 is an equidigital number, since it uses as much as digits as its factorization.

75245563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 37.

The square root of 75245563 is about 8674.4200382504. The cubic root of 75245563 is about 422.1760886986.

The spelling of 75245563 in words is "seventy-five million, two hundred forty-five thousand, five hundred sixty-three".