528634129 has 4 divisors (see below), whose sum is σ = 529550884. Its totient is φ = 527717376.

The previous prime is 528634111. The next prime is 528634153. The reversal of 528634129 is 921436825.

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 349690000 + 178944129 = 18700^2 + 13377^2 .

It is a cyclic number.

It is not a de Polignac number, because 528634129 - 2⁹ = 528633617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528634091 and 528634100.

It is not an unprimeable number, because it can be changed into a prime (528634529) 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, 457512 + ... + 458665.

It is an arithmetic number, because the mean of its divisors is an integer number (132387721).

Almost surely, 2^528634129 is an apocalyptic number.

It is an amenable number.

528634129 is a deficient number, since it is larger than the sum of its proper divisors (916755).

528634129 is an equidigital number, since it uses as much as digits as its factorization.

528634129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916754.

The product of its digits is 103680, while the sum is 40.

The square root of 528634129 is about 22992.0449068803. The cubic root of 528634129 is about 808.5714438030.

The spelling of 528634129 in words is "five hundred twenty-eight million, six hundred thirty-four thousand, one hundred twenty-nine".