52185219 has 4 divisors (see below), whose sum is σ = 69580296. Its totient is φ = 34790144.

The previous prime is 52185209. The next prime is 52185233. The reversal of 52185219 is 91258125.

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 52185219 - 2¹¹ = 52183171 is a prime.

It is a super-2 number, since 2×52185219² = 5446594164155922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52185219.

It is not an unprimeable number, because it can be changed into a prime (52185209) 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, 8697534 + ... + 8697539.

It is an arithmetic number, because the mean of its divisors is an integer number (17395074).

Almost surely, 2^52185219 is an apocalyptic number.

52185219 is a deficient number, since it is larger than the sum of its proper divisors (17395077).

52185219 is a wasteful number, since it uses less digits than its factorization.

52185219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17395076.

The product of its digits is 7200, while the sum is 33.

The square root of 52185219 is about 7223.9337621548. The cubic root of 52185219 is about 373.6937520824.

The spelling of 52185219 in words is "fifty-two million, one hundred eighty-five thousand, two hundred nineteen".