520007007 has 8 divisors (see below), whose sum is σ = 746676784. Its totient is φ = 320004288.

The previous prime is 520006987. The next prime is 520007039. The reversal of 520007007 is 700700025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520007007 - 2¹² = 520002911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520007057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6666718 + ... + 6666795.

It is an arithmetic number, because the mean of its divisors is an integer number (93334598).

Almost surely, 2^520007007 is an apocalyptic number.

520007007 is a deficient number, since it is larger than the sum of its proper divisors (226669777).

520007007 is a wasteful number, since it uses less digits than its factorization.

520007007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333529.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 520007007 is about 22803.6621401037. The cubic root of 520007007 is about 804.1487636536.

The spelling of 520007007 in words is "five hundred twenty million, seven thousand, seven".