501229 has 2 divisors, whose sum is σ = 501230. Its totient is φ = 501228.

The previous prime is 501223. The next prime is 501233. The reversal of 501229 is 922105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396900 + 104329 = 630^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 501229 - 2⁵ = 501197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250614 + 250615.

It is an arithmetic number, because the mean of its divisors is an integer number (250615).

2⁵⁰¹²²⁹ is an apocalyptic number.

It is an amenable number.

501229 is a deficient number, since it is larger than the sum of its proper divisors (1).

501229 is an equidigital number, since it uses as much as digits as its factorization.

501229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 501229 is about 707.9752820544. The cubic root of 501229 is about 79.4350299191.

It can be divided in two parts, 5012 and 29, that added together give a square (5041 = 71²).

The spelling of 501229 in words is "five hundred one thousand, two hundred twenty-nine".