52402321313 has 8 divisors (see below), whose sum is σ = 57398080680. Its totient is φ = 47619147520.

The previous prime is 52402321297. The next prime is 52402321337. The reversal of 52402321313 is 31312320425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1980517009 + 50421804304 = 44503^2 + 224548^2 .

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 52402321313 - 2⁴ = 52402321297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52402321343) 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, 53145878 + ... + 53146863.

It is an arithmetic number, because the mean of its divisors is an integer number (7174760085).

Almost surely, 2^52402321313 is an apocalyptic number.

It is an amenable number.

52402321313 is a deficient number, since it is larger than the sum of its proper divisors (4995759367).

52402321313 is a wasteful number, since it uses less digits than its factorization.

52402321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106292787.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 52402321313 its reverse (31312320425), we get a palindrome (83714641738).

The spelling of 52402321313 in words is "fifty-two billion, four hundred two million, three hundred twenty-one thousand, three hundred thirteen".