533542081 has 2 divisors, whose sum is σ = 533542082. Its totient is φ = 533542080.

The previous prime is 533542069. The next prime is 533542099. The reversal of 533542081 is 180245335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429318400 + 104223681 = 20720^2 + 10209^2 .

It is a cyclic number.

It is not a de Polignac number, because 533542081 - 2¹⁵ = 533509313 is a prime.

It is a super-2 number, since 2×533542081² = 569334304395621122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (533543081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266771040 + 266771041.

It is an arithmetic number, because the mean of its divisors is an integer number (266771041).

Almost surely, 2^533542081 is an apocalyptic number.

It is an amenable number.

533542081 is a deficient number, since it is larger than the sum of its proper divisors (1).

533542081 is an equidigital number, since it uses as much as digits as its factorization.

533542081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 533542081 is about 23098.5298449923. The cubic root of 533542081 is about 811.0660560651.

The spelling of 533542081 in words is "five hundred thirty-three million, five hundred forty-two thousand, eighty-one".