52519281 has 16 divisors (see below), whose sum is σ = 73288320. Its totient is φ = 33390720.

The previous prime is 52519267. The next prime is 52519283. The reversal of 52519281 is 18291525.

It is not a de Polignac number, because 52519281 - 2⁶ = 52519217 is a prime.

It is a super-2 number, since 2×52519281² = 5516549753513922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52519283) 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 15 ways as a sum of consecutive naturals, for example, 27291 + ... + 29151.

It is an arithmetic number, because the mean of its divisors is an integer number (4580520).

Almost surely, 2^52519281 is an apocalyptic number.

It is an amenable number.

52519281 is a deficient number, since it is larger than the sum of its proper divisors (20769039).

52519281 is a wasteful number, since it uses less digits than its factorization.

52519281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296.

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

The square root of 52519281 is about 7247.0187663618. The cubic root of 52519281 is about 374.4894527818.

The spelling of 52519281 in words is "fifty-two million, five hundred nineteen thousand, two hundred eighty-one".