52132513 has 4 divisors (see below), whose sum is σ = 54399168. Its totient is φ = 49865860.

The previous prime is 52132501. The next prime is 52132529. The reversal of 52132513 is 31523125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52132513 - 2⁵ = 52132481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52132583) 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, 1133293 + ... + 1133338.

It is an arithmetic number, because the mean of its divisors is an integer number (13599792).

Almost surely, 2^52132513 is an apocalyptic number.

It is an amenable number.

52132513 is a deficient number, since it is larger than the sum of its proper divisors (2266655).

52132513 is a wasteful number, since it uses less digits than its factorization.

52132513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266654.

The product of its digits is 900, while the sum is 22.

The square root of 52132513 is about 7220.2848281768. The cubic root of 52132513 is about 373.5679020312.

Adding to 52132513 its reverse (31523125), we get a palindrome (83655638).

The spelling of 52132513 in words is "fifty-two million, one hundred thirty-two thousand, five hundred thirteen".