52432513 has 8 divisors (see below), whose sum is σ = 59970560. Its totient is φ = 44906400.

The previous prime is 52432487. The next prime is 52432517. The reversal of 52432513 is 31523425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52432513 - 2²¹ = 50335361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52432517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10528 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (7496320).

Almost surely, 2^52432513 is an apocalyptic number.

It is an amenable number.

52432513 is a deficient number, since it is larger than the sum of its proper divisors (7538047).

52432513 is a wasteful number, since it uses less digits than its factorization.

52432513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967.

The product of its digits is 3600, while the sum is 25.

The square root of 52432513 is about 7241.0298300725. The cubic root of 52432513 is about 374.2831056325.

Adding to 52432513 its reverse (31523425), we get a palindrome (83955938).

The spelling of 52432513 in words is "fifty-two million, four hundred thirty-two thousand, five hundred thirteen".