52505141 has 4 divisors (see below), whose sum is σ = 56544012. Its totient is φ = 48466272.

The previous prime is 52505137. The next prime is 52505143. The reversal of 52505141 is 14150525.

It is a happy number.

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 7896100 + 44609041 = 2810^2 + 6679^2 .

It is a cyclic number.

It is not a de Polignac number, because 52505141 - 2² = 52505137 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 (52505143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019416 + ... + 2019441.

It is an arithmetic number, because the mean of its divisors is an integer number (14136003).

Almost surely, 2^52505141 is an apocalyptic number.

It is an amenable number.

52505141 is a deficient number, since it is larger than the sum of its proper divisors (4038871).

52505141 is a wasteful number, since it uses less digits than its factorization.

52505141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038870.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 52505141 is about 7246.0431271143. The cubic root of 52505141 is about 374.4558412772.

Adding to 52505141 its reverse (14150525), we get a palindrome (66655666).

The spelling of 52505141 in words is "fifty-two million, five hundred five thousand, one hundred forty-one".