528772513 has 8 divisors (see below), whose sum is σ = 554620032. Its totient is φ = 503533296.

The previous prime is 528772477. The next prime is 528772523. The reversal of 528772513 is 315277825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 528772513 - 2²¹ = 526675361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528772523) 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, 150295 + ... + 153772.

It is an arithmetic number, because the mean of its divisors is an integer number (69327504).

Almost surely, 2^528772513 is an apocalyptic number.

It is an amenable number.

528772513 is a deficient number, since it is larger than the sum of its proper divisors (25847519).

528772513 is a wasteful number, since it uses less digits than its factorization.

528772513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304151.

The product of its digits is 117600, while the sum is 40.

The square root of 528772513 is about 22995.0540986535. The cubic root of 528772513 is about 808.6419926522.

The spelling of 528772513 in words is "five hundred twenty-eight million, seven hundred seventy-two thousand, five hundred thirteen".