520252377947 has 2 divisors, whose sum is σ = 520252377948. Its totient is φ = 520252377946.

The previous prime is 520252377929. The next prime is 520252377989. The reversal of 520252377947 is 749773252025.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520252377947 is a prime.

It is not a weakly prime, because it can be changed into another prime (520252377907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260126188973 + 260126188974.

It is an arithmetic number, because the mean of its divisors is an integer number (260126188974).

Almost surely, 2^520252377947 is an apocalyptic number.

520252377947 is a deficient number, since it is larger than the sum of its proper divisors (1).

520252377947 is an equidigital number, since it uses as much as digits as its factorization.

520252377947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 520252377947 in words is "five hundred twenty billion, two hundred fifty-two million, three hundred seventy-seven thousand, nine hundred forty-seven".