52143013 has 8 divisors (see below), whose sum is σ = 56335608. Its totient is φ = 47976384.

The previous prime is 52142977. The next prime is 52143017. The reversal of 52143013 is 31034125.

It can be written as a sum of positive squares in 4 ways, for example, as 9345249 + 42797764 = 3057^2 + 6542^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52143013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52143017) 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, 2206 + ... + 10447.

It is an arithmetic number, because the mean of its divisors is an integer number (7041951).

Almost surely, 2^52143013 is an apocalyptic number.

It is an amenable number.

52143013 is a deficient number, since it is larger than the sum of its proper divisors (4192595).

52143013 is a wasteful number, since it uses less digits than its factorization.

52143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52143013 is about 7221.0119096980. The cubic root of 52143013 is about 373.5929804288.

Adding to 52143013 its reverse (31034125), we get a palindrome (83177138).

It can be divided in two parts, 521 and 43013, that added together give a palindrome (43534).

The spelling of 52143013 in words is "fifty-two million, one hundred forty-three thousand, thirteen".