534502421 has 2 divisors, whose sum is σ = 534502422. Its totient is φ = 534502420.

The previous prime is 534502411. The next prime is 534502429. The reversal of 534502421 is 124205435.

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., 401561521 + 132940900 = 20039^2 + 11530^2 .

It is a cyclic number.

It is not a de Polignac number, because 534502421 - 2¹⁰ = 534501397 is a prime.

It is a super-2 number, since 2×534502421² = 571385676109722482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534502429) 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, 267251210 + 267251211.

It is an arithmetic number, because the mean of its divisors is an integer number (267251211).

Almost surely, 2^534502421 is an apocalyptic number.

It is an amenable number.

534502421 is a deficient number, since it is larger than the sum of its proper divisors (1).

534502421 is an equidigital number, since it uses as much as digits as its factorization.

534502421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 534502421 is about 23119.3084022857. The cubic root of 534502421 is about 811.5523859152.

Adding to 534502421 its reverse (124205435), we get a palindrome (658707856).

The spelling of 534502421 in words is "five hundred thirty-four million, five hundred two thousand, four hundred twenty-one".