52513452 has 18 divisors (see below), whose sum is σ = 132742428. Its totient is φ = 17504472.

The previous prime is 52513451. The next prime is 52513453. The reversal of 52513452 is 25431525.

It is a happy number.

52513452 is a `hidden beast` number, since 525 + 134 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (52513451) and next prime (52513453).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (52513451) 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 5 ways as a sum of consecutive naturals, for example, 729318 + ... + 729389.

Almost surely, 2^52513452 is an apocalyptic number.

It is an amenable number.

52513452 is an abundant number, since it is smaller than the sum of its proper divisors (80228976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52513452 is a wasteful number, since it uses less digits than its factorization.

52513452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458717 (or 1458712 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52513452 is about 7246.6165898300. The cubic root of 52513452 is about 374.4755976811.

Adding to 52513452 its reverse (25431525), we get a palindrome (77944977).

The spelling of 52513452 in words is "fifty-two million, five hundred thirteen thousand, four hundred fifty-two".