1330625430257 has 2 divisors, whose sum is σ = 1330625430258. Its totient is φ = 1330625430256.

The previous prime is 1330625430203. The next prime is 1330625430313. The reversal of 1330625430257 is 7520345260331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037252623936 + 293372806321 = 1018456^2 + 541639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330625430257 - 2³⁴ = 1313445561073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330625430557) 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, 665312715128 + 665312715129.

It is an arithmetic number, because the mean of its divisors is an integer number (665312715129).

Almost surely, 2^{1330625430257} is an apocalyptic number.

It is an amenable number.

1330625430257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330625430257 is an equidigital number, since it uses as much as digits as its factorization.

1330625430257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 1330625430257 in words is "one trillion, three hundred thirty billion, six hundred twenty-five million, four hundred thirty thousand, two hundred fifty-seven".