225576781530547 has 2 divisors, whose sum is σ = 225576781530548. Its totient is φ = 225576781530546.

The previous prime is 225576781530511. The next prime is 225576781530557. The reversal of 225576781530547 is 745035187675522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225576781530547 - 2³⁵ = 225542421792179 is a prime.

It is not a weakly prime, because it can be changed into another prime (225576781530557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112788390765273 + 112788390765274.

It is an arithmetic number, because the mean of its divisors is an integer number (112788390765274).

Almost surely, 2^{225576781530547} is an apocalyptic number.

225576781530547 is a deficient number, since it is larger than the sum of its proper divisors (1).

225576781530547 is an equidigital number, since it uses as much as digits as its factorization.

225576781530547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920000, while the sum is 67.

The spelling of 225576781530547 in words is "two hundred twenty-five trillion, five hundred seventy-six billion, seven hundred eighty-one million, five hundred thirty thousand, five hundred forty-seven".