529485421 has 2 divisors, whose sum is σ = 529485422. Its totient is φ = 529485420.

The previous prime is 529485403. The next prime is 529485431. The reversal of 529485421 is 124584925.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446857321 + 82628100 = 21139^2 + 9090^2 .

It is a cyclic number.

It is not a de Polignac number, because 529485421 - 2¹¹ = 529483373 is a prime.

It is a super-2 number, since 2×529485421² = 560709622103094482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (529485431) 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 as a sum of consecutive naturals, namely, 264742710 + 264742711.

It is an arithmetic number, because the mean of its divisors is an integer number (264742711).

Almost surely, 2^529485421 is an apocalyptic number.

It is an amenable number.

529485421 is a deficient number, since it is larger than the sum of its proper divisors (1).

529485421 is an equidigital number, since it uses as much as digits as its factorization.

529485421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The square root of 529485421 is about 23010.5502107186. The cubic root of 529485421 is about 809.0052417785.

The spelling of 529485421 in words is "five hundred twenty-nine million, four hundred eighty-five thousand, four hundred twenty-one".