512242500244403 has 4 divisors (see below), whose sum is σ = 519887910695880. Its totient is φ = 504597089792928.

The previous prime is 512242500244381. The next prime is 512242500244417. The reversal of 512242500244403 is 304442005242215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512242500244403 - 2²⁰ = 512242499195827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512242500244103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822705225638 + ... + 3822705225771.

It is an arithmetic number, because the mean of its divisors is an integer number (129971977673970).

Almost surely, 2^{512242500244403} is an apocalyptic number.

512242500244403 is a deficient number, since it is larger than the sum of its proper divisors (7645410451477).

512242500244403 is an equidigital number, since it uses as much as digits as its factorization.

512242500244403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645410451476.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 512242500244403 its reverse (304442005242215), we get a palindrome (816684505486618).

The spelling of 512242500244403 in words is "five hundred twelve trillion, two hundred forty-two billion, five hundred million, two hundred forty-four thousand, four hundred three".