501465240313 has 2 divisors, whose sum is σ = 501465240314. Its totient is φ = 501465240312.

The previous prime is 501465240307. The next prime is 501465240371. The reversal of 501465240313 is 313042564105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258467509609 + 242997730704 = 508397^2 + 492948^2 .

It is a cyclic number.

It is not a de Polignac number, because 501465240313 - 2⁵ = 501465240281 is a prime.

It is not a weakly prime, because it can be changed into another prime (501465240113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250732620156 + 250732620157.

It is an arithmetic number, because the mean of its divisors is an integer number (250732620157).

Almost surely, 2^501465240313 is an apocalyptic number.

It is an amenable number.

501465240313 is a deficient number, since it is larger than the sum of its proper divisors (1).

501465240313 is an equidigital number, since it uses as much as digits as its factorization.

501465240313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 501465240313 in words is "five hundred one billion, four hundred sixty-five million, two hundred forty thousand, three hundred thirteen".