252313105603 has 16 divisors (see below), whose sum is σ = 292108561920. Its totient is φ = 215951666976.

The previous prime is 252313105591. The next prime is 252313105619. The reversal of 252313105603 is 306501313252.

It is a cyclic number.

It is not a de Polignac number, because 252313105603 - 2²⁹ = 251776234691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252313105643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10855525 + ... + 10878742.

It is an arithmetic number, because the mean of its divisors is an integer number (18256785120).

Almost surely, 2^252313105603 is an apocalyptic number.

252313105603 is a deficient number, since it is larger than the sum of its proper divisors (39795456317).

252313105603 is a wasteful number, since it uses less digits than its factorization.

252313105603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734346.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 252313105603 its reverse (306501313252), we get a palindrome (558814418855).

The spelling of 252313105603 in words is "two hundred fifty-two billion, three hundred thirteen million, one hundred five thousand, six hundred three".