520349026 has 4 divisors (see below), whose sum is σ = 780523542. Its totient is φ = 260174512.

The previous prime is 520349021. The next prime is 520349047. The reversal of 520349026 is 620943025.

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

It can be written as a sum of positive squares in only one way, i.e., 351375025 + 168974001 = 18745^2 + 12999^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (520349021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130087255 + ... + 130087258.

Almost surely, 2^520349026 is an apocalyptic number.

520349026 is a deficient number, since it is larger than the sum of its proper divisors (260174516).

520349026 is a wasteful number, since it uses less digits than its factorization.

520349026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260174515.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 520349026 is about 22811.1601195555. The cubic root of 520349026 is about 804.3250265858.

The spelling of 520349026 in words is "five hundred twenty million, three hundred forty-nine thousand, twenty-six".