52502141 has 4 divisors (see below), whose sum is σ = 52653792. Its totient is φ = 52350492.

The previous prime is 52502119. The next prime is 52502161. The reversal of 52502141 is 14120525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52502141 - 2²² = 48307837 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 (52502101) 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, 75305 + ... + 75998.

It is an arithmetic number, because the mean of its divisors is an integer number (13163448).

Almost surely, 2^52502141 is an apocalyptic number.

It is an amenable number.

52502141 is a deficient number, since it is larger than the sum of its proper divisors (151651).

52502141 is a wasteful number, since it uses less digits than its factorization.

52502141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151650.

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

The square root of 52502141 is about 7245.8361146247. The cubic root of 52502141 is about 374.4487093475.

Adding to 52502141 its reverse (14120525), we get a palindrome (66622666).

The spelling of 52502141 in words is "fifty-two million, five hundred two thousand, one hundred forty-one".