528742869 has 16 divisors (see below), whose sum is σ = 719905152. Its totient is φ = 345109248.

The previous prime is 528742853. The next prime is 528742871. The reversal of 528742869 is 968247825.

It is not a de Polignac number, because 528742869 - 2⁴ = 528742853 is a prime.

It is a super-2 number, since 2×528742869² = 559138043036702322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528742769) 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 15 ways as a sum of consecutive naturals, for example, 21192 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (44994072).

Almost surely, 2^528742869 is an apocalyptic number.

It is an amenable number.

528742869 is a deficient number, since it is larger than the sum of its proper divisors (191162283).

528742869 is a wasteful number, since it uses less digits than its factorization.

528742869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17836.

The product of its digits is 1935360, while the sum is 51.

The square root of 528742869 is about 22994.4095162281. The cubic root of 528742869 is about 808.6268810301.

It can be divided in two parts, 52874286 and 9, that multiplied together give a palindrome (475868574).

The spelling of 528742869 in words is "five hundred twenty-eight million, seven hundred forty-two thousand, eight hundred sixty-nine".