305240520007 has 2 divisors, whose sum is σ = 305240520008. Its totient is φ = 305240520006.

The previous prime is 305240519989. The next prime is 305240520031. The reversal of 305240520007 is 700025042503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 305240520007 - 2¹⁵ = 305240487239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305240520047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152620260003 + 152620260004.

It is an arithmetic number, because the mean of its divisors is an integer number (152620260004).

Almost surely, 2^305240520007 is an apocalyptic number.

305240520007 is a deficient number, since it is larger than the sum of its proper divisors (1).

305240520007 is an equidigital number, since it uses as much as digits as its factorization.

305240520007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The spelling of 305240520007 in words is "three hundred five billion, two hundred forty million, five hundred twenty thousand, seven".