52393013 has 6 divisors (see below), whose sum is σ = 55296054. Its totient is φ = 49635144.

The previous prime is 52393001. The next prime is 52393087. The reversal of 52393013 is 31039325.

It can be written as a sum of positive squares in only one way, i.e., 37662769 + 14730244 = 6137^2 + 3838^2 .

It is not a de Polignac number, because 52393013 - 2¹⁶ = 52327477 is a prime.

It is a super-3 number, since 3×52393013³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52393213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72206 + ... + 72927.

It is an arithmetic number, because the mean of its divisors is an integer number (9216009).

Almost surely, 2^52393013 is an apocalyptic number.

It is an amenable number.

52393013 is a deficient number, since it is larger than the sum of its proper divisors (2903041).

52393013 is a wasteful number, since it uses less digits than its factorization.

52393013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145171 (or 145152 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 52393013 is about 7238.3018036001. The cubic root of 52393013 is about 374.1890933748.

The spelling of 52393013 in words is "fifty-two million, three hundred ninety-three thousand, thirteen".