529000001 has 4 divisors (see below), whose sum is σ = 529240404. Its totient is φ = 528759600.

The previous prime is 528999973. The next prime is 529000057. The reversal of 529000001 is 100000925.

It is a Cunningham number, because it is equal to 23000²+1.

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 358723600 + 170276401 = 18940^2 + 13049^2 .

It is a cyclic number.

It is not a de Polignac number, because 529000001 - 2¹⁸ = 528737857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (529000091) 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, 116870 + ... + 121311.

It is an arithmetic number, because the mean of its divisors is an integer number (132310101).

Almost surely, 2^529000001 is an apocalyptic number.

It is an amenable number.

529000001 is a deficient number, since it is larger than the sum of its proper divisors (240403).

529000001 is a wasteful number, since it uses less digits than its factorization.

529000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240402.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 529000001 is about 23000.0000217391. Note that the first 4 decimals coincide. The cubic root of 529000001 is about 808.7579404186.

Adding to 529000001 its reverse (100000925), we get a palindrome (629000926).

The spelling of 529000001 in words is "five hundred twenty-nine million, one", and thus it is an aban number.