529121 has 2 divisors, whose sum is σ = 529122. Its totient is φ = 529120.

The previous prime is 529117. The next prime is 529127. The reversal of 529121 is 121925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 192721 = 580^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 529121 - 2² = 529117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 529093 and 529102.

It is not a weakly prime, because it can be changed into another prime (529127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264560 + 264561.

It is an arithmetic number, because the mean of its divisors is an integer number (264561).

2⁵²⁹¹²¹ is an apocalyptic number.

It is an amenable number.

529121 is a deficient number, since it is larger than the sum of its proper divisors (1).

529121 is an equidigital number, since it uses as much as digits as its factorization.

529121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 20.

The square root of 529121 is about 727.4070387342. The cubic root of 529121 is about 80.8819598542.

It can be divided in two parts, 5291 and 21, that multiplied together give a palindrome (111111).

The spelling of 529121 in words is "five hundred twenty-nine thousand, one hundred twenty-one".