539525729 has 4 divisors (see below), whose sum is σ = 567921840. Its totient is φ = 511129620.

The previous prime is 539525711. The next prime is 539525747. The reversal of 539525729 is 927525935.

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 an interprime number because it is at equal distance from previous prime (539525711) and next prime (539525747).

It is a cyclic number.

It is not a de Polignac number, because 539525729 - 2²⁰ = 538477153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539525759) 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, 14198027 + ... + 14198064.

It is an arithmetic number, because the mean of its divisors is an integer number (141980460).

Almost surely, 2^539525729 is an apocalyptic number.

It is an amenable number.

539525729 is a deficient number, since it is larger than the sum of its proper divisors (28396111).

539525729 is a wasteful number, since it uses less digits than its factorization.

539525729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28396110.

The product of its digits is 850500, while the sum is 47.

The square root of 539525729 is about 23227.6931484812. The cubic root of 539525729 is about 814.0868133800.

The spelling of 539525729 in words is "five hundred thirty-nine million, five hundred twenty-five thousand, seven hundred twenty-nine".