520372267 has 2 divisors, whose sum is σ = 520372268. Its totient is φ = 520372266.

The previous prime is 520372249. The next prime is 520372291. The reversal of 520372267 is 762273025.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520372267 is a prime.

It is not a weakly prime, because it can be changed into another prime (520372367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260186133 + 260186134.

It is an arithmetic number, because the mean of its divisors is an integer number (260186134).

Almost surely, 2^520372267 is an apocalyptic number.

520372267 is a deficient number, since it is larger than the sum of its proper divisors (1).

520372267 is an equidigital number, since it uses as much as digits as its factorization.

520372267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 520372267 is about 22811.6695355689. The cubic root of 520372267 is about 804.3370012661.

The spelling of 520372267 in words is "five hundred twenty million, three hundred seventy-two thousand, two hundred sixty-seven".