30725057564317 has 2 divisors, whose sum is σ = 30725057564318. Its totient is φ = 30725057564316.

The previous prime is 30725057564309. The next prime is 30725057564323. The reversal of 30725057564317 is 71346575052703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25520390236441 + 5204667327876 = 5051771^2 + 2281374^2 .

It is a cyclic number.

It is not a de Polignac number, because 30725057564317 - 2³ = 30725057564309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30725057664317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362528782158 + 15362528782159.

It is an arithmetic number, because the mean of its divisors is an integer number (15362528782159).

Almost surely, 2^{30725057564317} is an apocalyptic number.

It is an amenable number.

30725057564317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30725057564317 is an equidigital number, since it uses as much as digits as its factorization.

30725057564317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522000, while the sum is 55.

The spelling of 30725057564317 in words is "thirty trillion, seven hundred twenty-five billion, fifty-seven million, five hundred sixty-four thousand, three hundred seventeen".