520267963 has 4 divisors (see below), whose sum is σ = 528797008. Its totient is φ = 511738920.

The previous prime is 520267961. The next prime is 520267967. The reversal of 520267963 is 369762025.

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 520267963 - 2¹ = 520267961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520267961) 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, 4264431 + ... + 4264552.

It is an arithmetic number, because the mean of its divisors is an integer number (132199252).

Almost surely, 2^520267963 is an apocalyptic number.

520267963 is a deficient number, since it is larger than the sum of its proper divisors (8529045).

520267963 is an equidigital number, since it uses as much as digits as its factorization.

520267963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529044.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 520267963 is about 22809.3832227003. The cubic root of 520267963 is about 804.2832569386.

The spelling of 520267963 in words is "five hundred twenty million, two hundred sixty-seven thousand, nine hundred sixty-three".