532427729 has 4 divisors (see below), whose sum is σ = 532832100. Its totient is φ = 532023360.

The previous prime is 532427719. The next prime is 532427767. The reversal of 532427729 is 927724235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927724235 = 5 ⋅185544847.

It can be written as a sum of positive squares in 2 ways, for example, as 247999504 + 284428225 = 15748^2 + 16865^2 .

It is a cyclic number.

It is not a de Polignac number, because 532427729 - 2²⁸ = 263992273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (532427719) 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, 200204 + ... + 202845.

It is an arithmetic number, because the mean of its divisors is an integer number (133208025).

Almost surely, 2^532427729 is an apocalyptic number.

It is an amenable number.

532427729 is a deficient number, since it is larger than the sum of its proper divisors (404371).

532427729 is a wasteful number, since it uses less digits than its factorization.

532427729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404370.

The product of its digits is 211680, while the sum is 41.

The square root of 532427729 is about 23074.3955283773. The cubic root of 532427729 is about 810.5010003257.

The spelling of 532427729 in words is "five hundred thirty-two million, four hundred twenty-seven thousand, seven hundred twenty-nine".