52001113 has 4 divisors (see below), whose sum is σ = 55060020. Its totient is φ = 48942208.

The previous prime is 52001107. The next prime is 52001141. The reversal of 52001113 is 31110025.

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 43072969 + 8928144 = 6563^2 + 2988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52001113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52001093 and 52001102.

It is not an unprimeable number, because it can be changed into a prime (52001153) 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, 1529428 + ... + 1529461.

It is an arithmetic number, because the mean of its divisors is an integer number (13765005).

Almost surely, 2^52001113 is an apocalyptic number.

It is an amenable number.

52001113 is a deficient number, since it is larger than the sum of its proper divisors (3058907).

52001113 is a wasteful number, since it uses less digits than its factorization.

52001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058906.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 52001113 is about 7211.1797231798. The cubic root of 52001113 is about 373.2537786659.

Adding to 52001113 its reverse (31110025), we get a palindrome (83111138).

The spelling of 52001113 in words is "fifty-two million, one thousand, one hundred thirteen".