75279568253 has 2 divisors, whose sum is σ = 75279568254. Its totient is φ = 75279568252.

The previous prime is 75279568223. The next prime is 75279568291. The reversal of 75279568253 is 35286597257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46992701284 + 28286866969 = 216778^2 + 168187^2 .

It is an emirp because it is prime and its reverse (35286597257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75279568253 - 2¹⁴ = 75279551869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75279568192 and 75279568201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75279568223) 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, 37639784126 + 37639784127.

It is an arithmetic number, because the mean of its divisors is an integer number (37639784127).

Almost surely, 2^75279568253 is an apocalyptic number.

It is an amenable number.

75279568253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75279568253 is an equidigital number, since it uses as much as digits as its factorization.

75279568253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 59.

The spelling of 75279568253 in words is "seventy-five billion, two hundred seventy-nine million, five hundred sixty-eight thousand, two hundred fifty-three".