252313044443 has 4 divisors (see below), whose sum is σ = 253424555880. Its totient is φ = 251201533008.

The previous prime is 252313044439. The next prime is 252313044449. The reversal of 252313044443 is 344440313252.

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 252313044443 - 2² = 252313044439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252313044449) 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 in 3 ways as a sum of consecutive naturals, for example, 555755378 + ... + 555755831.

It is an arithmetic number, because the mean of its divisors is an integer number (63356138970).

Almost surely, 2^252313044443 is an apocalyptic number.

252313044443 is a deficient number, since it is larger than the sum of its proper divisors (1111511437).

252313044443 is a wasteful number, since it uses less digits than its factorization.

252313044443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111511436.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 252313044443 its reverse (344440313252), we get a palindrome (596753357695).

The spelling of 252313044443 in words is "two hundred fifty-two billion, three hundred thirteen million, forty-four thousand, four hundred forty-three".