520654033 has 4 divisors (see below), whose sum is σ = 530477748. Its totient is φ = 510830320.

The previous prime is 520654027. The next prime is 520654037. The reversal of 520654033 is 330456025.

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 288762049 + 231891984 = 16993^2 + 15228^2 .

It is a cyclic number.

It is not a de Polignac number, because 520654033 - 2⁹ = 520653521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520653992 and 520654010.

It is not an unprimeable number, because it can be changed into a prime (520654037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4911778 + ... + 4911883.

It is an arithmetic number, because the mean of its divisors is an integer number (132619437).

Almost surely, 2^520654033 is an apocalyptic number.

520654033 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

520654033 is a deficient number, since it is larger than the sum of its proper divisors (9823715).

520654033 is an equidigital number, since it uses as much as digits as its factorization.

520654033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823714.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 520654033 is about 22817.8446177548. The cubic root of 520654033 is about 804.4821498714.

The spelling of 520654033 in words is "five hundred twenty million, six hundred fifty-four thousand, thirty-three".