75630252317 has 2 divisors, whose sum is σ = 75630252318. Its totient is φ = 75630252316.

The previous prime is 75630252289. The next prime is 75630252337. The reversal of 75630252317 is 71325203657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58857671236 + 16772581081 = 242606^2 + 129509^2 .

It is an emirp because it is prime and its reverse (71325203657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75630252317 - 2¹⁸ = 75629990173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75630252337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37815126158 + 37815126159.

It is an arithmetic number, because the mean of its divisors is an integer number (37815126159).

Almost surely, 2^75630252317 is an apocalyptic number.

It is an amenable number.

75630252317 is a deficient number, since it is larger than the sum of its proper divisors (1).

75630252317 is an equidigital number, since it uses as much as digits as its factorization.

75630252317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 75630252317 in words is "seventy-five billion, six hundred thirty million, two hundred fifty-two thousand, three hundred seventeen".