52125811 has 4 divisors (see below), whose sum is σ = 52324272. Its totient is φ = 51927352.

The previous prime is 52125809. The next prime is 52125833. The reversal of 52125811 is 11852125.

52125811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52125811 - 2¹ = 52125809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52125011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98836 + ... + 99361.

It is an arithmetic number, because the mean of its divisors is an integer number (13081068).

Almost surely, 2^52125811 is an apocalyptic number.

52125811 is a deficient number, since it is larger than the sum of its proper divisors (198461).

52125811 is a wasteful number, since it uses less digits than its factorization.

52125811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198460.

The product of its digits is 800, while the sum is 25.

The square root of 52125811 is about 7219.8207041449. The cubic root of 52125811 is about 373.5518930877.

Adding to 52125811 its reverse (11852125), we get a palindrome (63977936).

The spelling of 52125811 in words is "fifty-two million, one hundred twenty-five thousand, eight hundred eleven".