52051243 has 4 divisors (see below), whose sum is σ = 52193440. Its totient is φ = 51909048.

The previous prime is 52051217. The next prime is 52051249. The reversal of 52051243 is 34215025.

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 52051243 - 2⁵ = 52051211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52051249) 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, 70548 + ... + 71281.

It is an arithmetic number, because the mean of its divisors is an integer number (13048360).

Almost surely, 2^52051243 is an apocalyptic number.

52051243 is a deficient number, since it is larger than the sum of its proper divisors (142197).

52051243 is a wasteful number, since it uses less digits than its factorization.

52051243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142196.

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

The square root of 52051243 is about 7214.6547387938. The cubic root of 52051243 is about 373.3736812437.

Adding to 52051243 its reverse (34215025), we get a palindrome (86266268).

The spelling of 52051243 in words is "fifty-two million, fifty-one thousand, two hundred forty-three".