526228729 has 8 divisors (see below), whose sum is σ = 576313920. Its totient is φ = 477515856.

The previous prime is 526228723. The next prime is 526228739. The reversal of 526228729 is 927822625.

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 526228729 - 2²⁷ = 392011001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (526228723) 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, 342277 + ... + 343810.

It is an arithmetic number, because the mean of its divisors is an integer number (72039240).

Almost surely, 2^526228729 is an apocalyptic number.

526228729 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

526228729 is a deficient number, since it is larger than the sum of its proper divisors (50085191).

526228729 is a wasteful number, since it uses less digits than its factorization.

526228729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686159.

The product of its digits is 241920, while the sum is 43.

The square root of 526228729 is about 22939.6758695497. The cubic root of 526228729 is about 807.3431871273.

The spelling of 526228729 in words is "five hundred twenty-six million, two hundred twenty-eight thousand, seven hundred twenty-nine".