523628731 has 8 divisors (see below), whose sum is σ = 525741920. Its totient is φ = 521520768.

The previous prime is 523628701. The next prime is 523628801. The reversal of 523628731 is 137826325.

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 523628731 - 2¹⁷ = 523497659 is a prime.

It is a super-2 number, since 2×523628731² = 548374095857340722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523628701) 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, 403075 + ... + 404371.

It is an arithmetic number, because the mean of its divisors is an integer number (65717740).

Almost surely, 2^523628731 is an apocalyptic number.

523628731 is a deficient number, since it is larger than the sum of its proper divisors (2113189).

523628731 is a wasteful number, since it uses less digits than its factorization.

523628731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613.

The product of its digits is 60480, while the sum is 37.

The square root of 523628731 is about 22882.9353667750. The cubic root of 523628731 is about 806.0113472204.

The spelling of 523628731 in words is "five hundred twenty-three million, six hundred twenty-eight thousand, seven hundred thirty-one".