520342463 has 4 divisors (see below), whose sum is σ = 521047320. Its totient is φ = 519637608.

The previous prime is 520342453. The next prime is 520342519. The reversal of 520342463 is 364243025.

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

It is a cyclic number.

It is not a de Polignac number, because 520342463 - 2⁶ = 520342399 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 (520342423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351320 + ... + 352797.

It is an arithmetic number, because the mean of its divisors is an integer number (130261830).

Almost surely, 2^520342463 is an apocalyptic number.

520342463 is a deficient number, since it is larger than the sum of its proper divisors (704857).

520342463 is an equidigital number, since it uses as much as digits as its factorization.

520342463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704856.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 520342463 is about 22811.0162640773. The cubic root of 520342463 is about 804.3216450047.

Adding to 520342463 its reverse (364243025), we get a palindrome (884585488).

The spelling of 520342463 in words is "five hundred twenty million, three hundred forty-two thousand, four hundred sixty-three".