520302947 has 2 divisors, whose sum is σ = 520302948. Its totient is φ = 520302946.

The previous prime is 520302929. The next prime is 520303031. The reversal of 520302947 is 749203025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520302947 - 2²⁶ = 453194083 is a prime.

It is not a weakly prime, because it can be changed into another prime (520302907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260151473 + 260151474.

It is an arithmetic number, because the mean of its divisors is an integer number (260151474).

Almost surely, 2^520302947 is an apocalyptic number.

520302947 is a deficient number, since it is larger than the sum of its proper divisors (1).

520302947 is an equidigital number, since it uses as much as digits as its factorization.

520302947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 520302947 is about 22810.1500871871. The cubic root of 520302947 is about 804.3012838125.

The spelling of 520302947 in words is "five hundred twenty million, three hundred two thousand, nine hundred forty-seven".