52132521 has 12 divisors (see below), whose sum is σ = 80858832. Its totient is φ = 29789928.

The previous prime is 52132501. The next prime is 52132529. The reversal of 52132521 is 12523125.

It is not a de Polignac number, because 52132521 - 2⁷ = 52132393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (52132529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177175 + ... + 177468.

It is an arithmetic number, because the mean of its divisors is an integer number (6738236).

Almost surely, 2^52132521 is an apocalyptic number.

It is an amenable number.

52132521 is a deficient number, since it is larger than the sum of its proper divisors (28726311).

52132521 is a wasteful number, since it uses less digits than its factorization.

52132521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354660 (or 354653 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 52132521 is about 7220.2853821715. The cubic root of 52132521 is about 373.5679211399.

Adding to 52132521 its reverse (12523125), we get a palindrome (64655646).

The spelling of 52132521 in words is "fifty-two million, one hundred thirty-two thousand, five hundred twenty-one".