75523963 has 2 divisors, whose sum is σ = 75523964. Its totient is φ = 75523962.

The previous prime is 75523937. The next prime is 75523991. The reversal of 75523963 is 36932557.

It is a weak prime.

It is an emirp because it is prime and its reverse (36932557) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75523963 is a prime.

It is not a weakly prime, because it can be changed into another prime (75523933) 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, 37761981 + 37761982.

It is an arithmetic number, because the mean of its divisors is an integer number (37761982).

Almost surely, 2^75523963 is an apocalyptic number.

75523963 is a deficient number, since it is larger than the sum of its proper divisors (1).

75523963 is an equidigital number, since it uses as much as digits as its factorization.

75523963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 40.

The square root of 75523963 is about 8690.4524047946. The cubic root of 75523963 is about 422.6961156686.

The spelling of 75523963 in words is "seventy-five million, five hundred twenty-three thousand, nine hundred sixty-three".