52403313 has 8 divisors (see below), whose sum is σ = 70914208. Its totient is φ = 34413984.

The previous prime is 52403297. The next prime is 52403321. The reversal of 52403313 is 31330425.

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

It is not a de Polignac number, because 52403313 - 2⁴ = 52403297 is a prime.

It is a super-2 number, since 2×52403313² = 5492214426751938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52403313.

It is not an unprimeable number, because it can be changed into a prime (52403353) 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, 130156 + ... + 130557.

It is an arithmetic number, because the mean of its divisors is an integer number (8864276).

Almost surely, 2^52403313 is an apocalyptic number.

It is an amenable number.

52403313 is a deficient number, since it is larger than the sum of its proper divisors (18510895).

52403313 is a wasteful number, since it uses less digits than its factorization.

52403313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260783.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 52403313 is about 7239.0132614881. The cubic root of 52403313 is about 374.2136125164.

Adding to 52403313 its reverse (31330425), we get a palindrome (83733738).

The spelling of 52403313 in words is "fifty-two million, four hundred three thousand, three hundred thirteen".