5432501521 has 8 divisors (see below), whose sum is σ = 5753480544. Its totient is φ = 5111680320.

The previous prime is 5432501513. The next prime is 5432501549. The reversal of 5432501521 is 1251052345.

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

It is a cyclic number.

It is not a de Polignac number, because 5432501521 - 2³ = 5432501513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5432501521.

It is not an unprimeable number, because it can be changed into a prime (5432501561) 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, 35506 + ... + 110116.

It is an arithmetic number, because the mean of its divisors is an integer number (719185068).

Almost surely, 2^5432501521 is an apocalyptic number.

It is an amenable number.

5432501521 is a deficient number, since it is larger than the sum of its proper divisors (320979023).

5432501521 is a wasteful number, since it uses less digits than its factorization.

5432501521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78911.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5432501521 is about 73705.5053642535. The cubic root of 5432501521 is about 1757.9234204578.

Adding to 5432501521 its reverse (1251052345), we get a palindrome (6683553866).

The spelling of 5432501521 in words is "five billion, four hundred thirty-two million, five hundred one thousand, five hundred twenty-one".