533081331 has 10 divisors (see below), whose sum is σ = 796331492. Its totient is φ = 355387500.

The previous prime is 533081317. The next prime is 533081369. The reversal of 533081331 is 133180335.

It is not a de Polignac number, because 533081331 - 2⁷ = 533081203 is a prime.

It is a super-2 number, since 2×533081331² = 568351410921463122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 533081295 and 533081304.

It is not an unprimeable number, because it can be changed into a prime (533081371) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3290545 + ... + 3290706.

Almost surely, 2^533081331 is an apocalyptic number.

533081331 is a deficient number, since it is larger than the sum of its proper divisors (263250161).

533081331 is an equidigital number, since it uses as much as digits as its factorization.

533081331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581263 (or 6581254 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 533081331 is about 23088.5541123735. The cubic root of 533081331 is about 810.8325185294.

The spelling of 533081331 in words is "five hundred thirty-three million, eighty-one thousand, three hundred thirty-one".