252313042405 has 8 divisors (see below), whose sum is σ = 304312584312. Its totient is φ = 200825811648.

The previous prime is 252313042403. The next prime is 252313042411. The reversal of 252313042405 is 504240313252.

It can be written as a sum of positive squares in 4 ways, for example, as 43151337441 + 209161704964 = 207729^2 + 457342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252313042405 - 2¹ = 252313042403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252313042403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128076702 + ... + 128078671.

It is an arithmetic number, because the mean of its divisors is an integer number (38039073039).

Almost surely, 2^252313042405 is an apocalyptic number.

It is an amenable number.

252313042405 is a deficient number, since it is larger than the sum of its proper divisors (51999541907).

252313042405 is a wasteful number, since it uses less digits than its factorization.

252313042405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256155575.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 252313042405 its reverse (504240313252), we get a palindrome (756553355657).

The spelling of 252313042405 in words is "two hundred fifty-two billion, three hundred thirteen million, forty-two thousand, four hundred five".