533663957 has 4 divisors (see below), whose sum is σ = 534314796. Its totient is φ = 533013120.

The previous prime is 533663953. The next prime is 533663969. The reversal of 533663957 is 759366335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 309443281 + 224220676 = 17591^2 + 14974^2 .

It is a cyclic number.

It is not a de Polignac number, because 533663957 - 2² = 533663953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533663953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324188 + ... + 325829.

It is an arithmetic number, because the mean of its divisors is an integer number (133578699).

Almost surely, 2^533663957 is an apocalyptic number.

It is an amenable number.

533663957 is a deficient number, since it is larger than the sum of its proper divisors (650839).

533663957 is an equidigital number, since it uses as much as digits as its factorization.

533663957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650838.

The product of its digits is 1530900, while the sum is 47.

The square root of 533663957 is about 23101.1678709108. The cubic root of 533663957 is about 811.1278081208.

The spelling of 533663957 in words is "five hundred thirty-three million, six hundred sixty-three thousand, nine hundred fifty-seven".