525316729 has 8 divisors (see below), whose sum is σ = 600537728. Its totient is φ = 450139680.

The previous prime is 525316667. The next prime is 525316733. The reversal of 525316729 is 927613525.

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 525316729 - 2¹⁵ = 525283961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525316691 and 525316700.

It is not an unprimeable number, because it can be changed into a prime (525316739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20749 + ... + 38485.

It is an arithmetic number, because the mean of its divisors is an integer number (75067216).

Almost surely, 2^525316729 is an apocalyptic number.

It is an amenable number.

525316729 is a deficient number, since it is larger than the sum of its proper divisors (75220999).

525316729 is a wasteful number, since it uses less digits than its factorization.

525316729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21975.

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

The square root of 525316729 is about 22919.7890260796. The cubic root of 525316729 is about 806.8765188571.

The spelling of 525316729 in words is "five hundred twenty-five million, three hundred sixteen thousand, seven hundred twenty-nine".