520522007 has 2 divisors, whose sum is σ = 520522008. Its totient is φ = 520522006.

The previous prime is 520521977. The next prime is 520522033. The reversal of 520522007 is 700225025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520522007 - 2¹² = 520517911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520522097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260261003 + 260261004.

It is an arithmetic number, because the mean of its divisors is an integer number (260261004).

Almost surely, 2^520522007 is an apocalyptic number.

520522007 is a deficient number, since it is larger than the sum of its proper divisors (1).

520522007 is an equidigital number, since it uses as much as digits as its factorization.

520522007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 520522007 is about 22814.9513915765. The cubic root of 520522007 is about 804.4141446751.

The spelling of 520522007 in words is "five hundred twenty million, five hundred twenty-two thousand, seven".