529442905 has 4 divisors (see below), whose sum is σ = 635331492. Its totient is φ = 423554320.

The previous prime is 529442899. The next prime is 529442929. The reversal of 529442905 is 509244925.

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 272514064 + 256928841 = 16508^2 + 16029^2 .

It is not a de Polignac number, because 529442905 - 2¹⁵ = 529410137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52944286 + ... + 52944295.

It is an arithmetic number, because the mean of its divisors is an integer number (158832873).

Almost surely, 2^529442905 is an apocalyptic number.

It is an amenable number.

529442905 is a deficient number, since it is larger than the sum of its proper divisors (105888587).

529442905 is a wasteful number, since it uses less digits than its factorization.

529442905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105888586.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 529442905 is about 23009.6263550715. The cubic root of 529442905 is about 808.9835876805.

The spelling of 529442905 in words is "five hundred twenty-nine million, four hundred forty-two thousand, nine hundred five".