528432041 has 4 divisors (see below), whose sum is σ = 533879892. Its totient is φ = 522984192.

The previous prime is 528432017. The next prime is 528432049. The reversal of 528432041 is 140234825.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 276257641 + 252174400 = 16621^2 + 15880^2 .

It is a cyclic number.

It is not a de Polignac number, because 528432041 - 2¹⁸ = 528169897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528431995 and 528432013.

It is not an unprimeable number, because it can be changed into a prime (528432049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723780 + ... + 2723973.

It is an arithmetic number, because the mean of its divisors is an integer number (133469973).

Almost surely, 2^528432041 is an apocalyptic number.

It is an amenable number.

528432041 is a deficient number, since it is larger than the sum of its proper divisors (5447851).

528432041 is an equidigital number, since it uses as much as digits as its factorization.

528432041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447850.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 528432041 is about 22987.6497493763. The cubic root of 528432041 is about 808.4683962171.

Adding to 528432041 its reverse (140234825), we get a palindrome (668666866).

The spelling of 528432041 in words is "five hundred twenty-eight million, four hundred thirty-two thousand, forty-one".