52520411 has 4 divisors (see below), whose sum is σ = 52572000. Its totient is φ = 52468824.

The previous prime is 52520401. The next prime is 52520423. The reversal of 52520411 is 11402525.

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 52520411 - 2¹⁰ = 52519387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52520401) 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, 24236 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (13143000).

Almost surely, 2^52520411 is an apocalyptic number.

52520411 is a deficient number, since it is larger than the sum of its proper divisors (51589).

52520411 is a wasteful number, since it uses less digits than its factorization.

52520411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51588.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 52520411 is about 7247.0967290357. The cubic root of 52520411 is about 374.4921385893.

Adding to 52520411 its reverse (11402525), we get a palindrome (63922936).

The spelling of 52520411 in words is "fifty-two million, five hundred twenty thousand, four hundred eleven".