520011707 has 2 divisors, whose sum is σ = 520011708. Its totient is φ = 520011706.

The previous prime is 520011697. The next prime is 520011719. The reversal of 520011707 is 707110025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520011707 - 2⁸ = 520011451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520011797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260005853 + 260005854.

It is an arithmetic number, because the mean of its divisors is an integer number (260005854).

Almost surely, 2^520011707 is an apocalyptic number.

520011707 is a deficient number, since it is larger than the sum of its proper divisors (1).

520011707 is an equidigital number, since it uses as much as digits as its factorization.

520011707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 520011707 is about 22803.7651934938. The cubic root of 520011707 is about 804.1511863695.

The spelling of 520011707 in words is "five hundred twenty million, eleven thousand, seven hundred seven".