534829621 has 2 divisors, whose sum is σ = 534829622. Its totient is φ = 534829620.

The previous prime is 534829573. The next prime is 534829679. The reversal of 534829621 is 126928435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428945521 + 105884100 = 20711^2 + 10290^2 .

It is a cyclic number.

It is not a de Polignac number, because 534829621 - 2⁹ = 534829109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534820621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267414810 + 267414811.

It is an arithmetic number, because the mean of its divisors is an integer number (267414811).

Almost surely, 2^534829621 is an apocalyptic number.

It is an amenable number.

534829621 is a deficient number, since it is larger than the sum of its proper divisors (1).

534829621 is an equidigital number, since it uses as much as digits as its factorization.

534829621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 534829621 is about 23126.3836559026. The cubic root of 534829621 is about 811.7179515981.

It can be divided in two parts, 5348 and 29621, that added together give a square (34969 = 187²).

The spelling of 534829621 in words is "five hundred thirty-four million, eight hundred twenty-nine thousand, six hundred twenty-one".