520265353 has 4 divisors (see below), whose sum is σ = 547647760. Its totient is φ = 492882948.

The previous prime is 520265311. The next prime is 520265357. The reversal of 520265353 is 353562025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520265353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520265357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13691175 + ... + 13691212.

It is an arithmetic number, because the mean of its divisors is an integer number (136911940).

Almost surely, 2^520265353 is an apocalyptic number.

It is an amenable number.

520265353 is a deficient number, since it is larger than the sum of its proper divisors (27382407).

520265353 is a wasteful number, since it uses less digits than its factorization.

520265353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27382406.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 520265353 is about 22809.3260093322. The cubic root of 520265353 is about 804.2819120017.

The spelling of 520265353 in words is "five hundred twenty million, two hundred sixty-five thousand, three hundred fifty-three".