30045125306257 has 2 divisors, whose sum is σ = 30045125306258. Its totient is φ = 30045125306256.

The previous prime is 30045125306239. The next prime is 30045125306293. The reversal of 30045125306257 is 75260352154003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29867634986641 + 177490319616 = 5465129^2 + 421296^2 .

It is a cyclic number.

It is not a de Polignac number, because 30045125306257 - 2²³ = 30045116917649 is a prime.

It is not a weakly prime, because it can be changed into another prime (30045125306557) 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, 15022562653128 + 15022562653129.

It is an arithmetic number, because the mean of its divisors is an integer number (15022562653129).

Almost surely, 2^{30045125306257} is an apocalyptic number.

It is an amenable number.

30045125306257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30045125306257 is an equidigital number, since it uses as much as digits as its factorization.

30045125306257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 30045125306257 in words is "thirty trillion, forty-five billion, one hundred twenty-five million, three hundred six thousand, two hundred fifty-seven".