525361729 has 8 divisors (see below), whose sum is σ = 529786152. Its totient is φ = 520953600.

The previous prime is 525361717. The next prime is 525361813. The reversal of 525361729 is 927163525.

It can be written as a sum of positive squares in 4 ways, for example, as 499075600 + 26286129 = 22340^2 + 5127^2 .

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 525361729 - 2¹⁵ = 525328961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525361691 and 525361700.

It is not an unprimeable number, because it can be changed into a prime (525362729) 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, 65587 + ... + 73159.

It is an arithmetic number, because the mean of its divisors is an integer number (66223269).

Almost surely, 2^525361729 is an apocalyptic number.

It is an amenable number.

525361729 is a deficient number, since it is larger than the sum of its proper divisors (4424423).

525361729 is a wasteful number, since it uses less digits than its factorization.

525361729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147.

The product of its digits is 113400, while the sum is 40.

The square root of 525361729 is about 22920.7706894860. The cubic root of 525361729 is about 806.8995579143.

The spelling of 525361729 in words is "five hundred twenty-five million, three hundred sixty-one thousand, seven hundred twenty-nine".