52132013 has 4 divisors (see below), whose sum is σ = 55198620. Its totient is φ = 49065408.

The previous prime is 52131967. The next prime is 52132037. The reversal of 52132013 is 31023125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18003049 + 34128964 = 4243^2 + 5842^2 .

It is a cyclic number.

It is not a de Polignac number, because 52132013 - 2⁶ = 52131949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 3066589 = 52132013 / (5 + 2 + 1 + 3 + 2 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52131982 and 52132000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52132063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533278 + ... + 1533311.

It is an arithmetic number, because the mean of its divisors is an integer number (13799655).

Almost surely, 2^52132013 is an apocalyptic number.

It is an amenable number.

52132013 is a deficient number, since it is larger than the sum of its proper divisors (3066607).

52132013 is a wasteful number, since it uses less digits than its factorization.

52132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066606.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 52132013 is about 7220.2502034209. The cubic root of 52132013 is about 373.5667077378.

Adding to 52132013 its reverse (31023125), we get a palindrome (83155138).

The spelling of 52132013 in words is "fifty-two million, one hundred thirty-two thousand, thirteen".