52020343 has 4 divisors (see below), whose sum is σ = 52430080. Its totient is φ = 51610608.

The previous prime is 52020337. The next prime is 52020361. The reversal of 52020343 is 34302025.

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

It is a cyclic number.

It is not a de Polignac number, because 52020343 - 2⁹ = 52019831 is a prime.

It is a super-2 number, since 2×52020343² = 5412232171675298, 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 52020343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020383) 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, 204678 + ... + 204931.

It is an arithmetic number, because the mean of its divisors is an integer number (13107520).

Almost surely, 2^52020343 is an apocalyptic number.

52020343 is a deficient number, since it is larger than the sum of its proper divisors (409737).

52020343 is a wasteful number, since it uses less digits than its factorization.

52020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409736.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 52020343 is about 7212.5129462622. The cubic root of 52020343 is about 373.2997827170.

Adding to 52020343 its reverse (34302025), we get a palindrome (86322368).

The spelling of 52020343 in words is "fifty-two million, twenty thousand, three hundred forty-three".