52042513 has 8 divisors (see below), whose sum is σ = 53362496. Its totient is φ = 50727600.

The previous prime is 52042511. The next prime is 52042519. The reversal of 52042513 is 31524025.

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 52042513 - 2¹ = 52042511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52042511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27508 + ... + 29338.

It is an arithmetic number, because the mean of its divisors is an integer number (6670312).

Almost surely, 2^52042513 is an apocalyptic number.

It is an amenable number.

52042513 is a deficient number, since it is larger than the sum of its proper divisors (1319983).

52042513 is a wasteful number, since it uses less digits than its factorization.

52042513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52042513 is about 7214.0496948663. The cubic root of 52042513 is about 373.3528060811.

Adding to 52042513 its reverse (31524025), we get a palindrome (83566538).

The spelling of 52042513 in words is "fifty-two million, forty-two thousand, five hundred thirteen".