425545343142277 has 2 divisors, whose sum is σ = 425545343142278. Its totient is φ = 425545343142276.

The previous prime is 425545343142203. The next prime is 425545343142281. The reversal of 425545343142277 is 772241343545524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282616647174436 + 142928695967841 = 16811206^2 + 11955279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425545343142277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425545343842277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212772671571138 + 212772671571139.

It is an arithmetic number, because the mean of its divisors is an integer number (212772671571139).

Almost surely, 2^{425545343142277} is an apocalyptic number.

It is an amenable number.

425545343142277 is a deficient number, since it is larger than the sum of its proper divisors (1).

425545343142277 is an equidigital number, since it uses as much as digits as its factorization.

425545343142277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896000, while the sum is 58.

The spelling of 425545343142277 in words is "four hundred twenty-five trillion, five hundred forty-five billion, three hundred forty-three million, one hundred forty-two thousand, two hundred seventy-seven".