52561219 has 2 divisors, whose sum is σ = 52561220. Its totient is φ = 52561218.

The previous prime is 52561211. The next prime is 52561237. The reversal of 52561219 is 91216525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52561219 - 2³ = 52561211 is a prime.

It is a super-2 number, since 2×52561219² = 5525363485531922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52561211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26280609 + 26280610.

It is an arithmetic number, because the mean of its divisors is an integer number (26280610).

Almost surely, 2^52561219 is an apocalyptic number.

52561219 is a deficient number, since it is larger than the sum of its proper divisors (1).

52561219 is an equidigital number, since it uses as much as digits as its factorization.

52561219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 52561219 is about 7249.9116546341. The cubic root of 52561219 is about 374.5891060891.

The spelling of 52561219 in words is "fifty-two million, five hundred sixty-one thousand, two hundred nineteen".