520147547 has 2 divisors, whose sum is σ = 520147548. Its totient is φ = 520147546.

The previous prime is 520147541. The next prime is 520147597. The reversal of 520147547 is 745741025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520147547 - 2⁸ = 520147291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520147541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260073773 + 260073774.

It is an arithmetic number, because the mean of its divisors is an integer number (260073774).

Almost surely, 2^520147547 is an apocalyptic number.

520147547 is a deficient number, since it is larger than the sum of its proper divisors (1).

520147547 is an equidigital number, since it uses as much as digits as its factorization.

520147547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 520147547 is about 22806.7434545136. The cubic root of 520147547 is about 804.2212017079.

The spelling of 520147547 in words is "five hundred twenty million, one hundred forty-seven thousand, five hundred forty-seven".