529506121 has 3 divisors (see below), whose sum is σ = 529529133. Its totient is φ = 529483110.

The previous prime is 529506119. The next prime is 529506137. The reversal of 529506121 is 121605925.

The square root of 529506121 is 23011.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 529506121 - 2¹ = 529506119 is a prime.

It is a super-4 number, since 4×529506121⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (529506151) 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 2 ways as a sum of consecutive naturals, for example, 11506 + ... + 34516.

It is an arithmetic number, because the mean of its divisors is an integer number (176509711).

Almost surely, 2^529506121 is an apocalyptic number.

529506121 is the 23011-st square number.

529506121 is the 11506-th centered octagonal number.

It is an amenable number.

529506121 is a deficient number, since it is larger than the sum of its proper divisors (23012).

529506121 is an frugal number, since it uses more digits than its factorization.

529506121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46022 (or 23011 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The cubic root of 529506121 is about 809.0157842093.

The spelling of 529506121 in words is "five hundred twenty-nine million, five hundred six thousand, one hundred twenty-one".