342005533 has 2 divisors, whose sum is σ = 342005534. Its totient is φ = 342005532.

The previous prime is 342005519. The next prime is 342005537. The reversal of 342005533 is 335500243.

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., 291623929 + 50381604 = 17077^2 + 7098^2 .

It is a cyclic number.

It is not a de Polignac number, because 342005533 - 2⁵ = 342005501 is a prime.

It is a super-2 number, since 2×342005533² = 233935569205228178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342005498 and 342005507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342005537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171002766 + 171002767.

It is an arithmetic number, because the mean of its divisors is an integer number (171002767).

Almost surely, 2^342005533 is an apocalyptic number.

It is an amenable number.

342005533 is a deficient number, since it is larger than the sum of its proper divisors (1).

342005533 is an equidigital number, since it uses as much as digits as its factorization.

342005533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 342005533 is about 18493.3916034891. The cubic root of 342005533 is about 699.3228369769.

Adding to 342005533 its reverse (335500243), we get a palindrome (677505776).

The spelling of 342005533 in words is "three hundred forty-two million, five thousand, five hundred thirty-three".