520151007 has 4 divisors (see below), whose sum is σ = 693534680. Its totient is φ = 346767336.

The previous prime is 520150991. The next prime is 520151017. The reversal of 520151007 is 700151025.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 520151007 - 2⁴ = 520150991 is a prime.

It is a super-2 number, since 2×520151007² = 541114140166228098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520151017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86691832 + ... + 86691837.

It is an arithmetic number, because the mean of its divisors is an integer number (173383670).

Almost surely, 2^520151007 is an apocalyptic number.

520151007 is a deficient number, since it is larger than the sum of its proper divisors (173383673).

520151007 is a wasteful number, since it uses less digits than its factorization.

520151007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173383672.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 520151007 is about 22806.8193091452. The cubic root of 520151007 is about 804.2229849193. Note that the first 3 decimals are identical.

The spelling of 520151007 in words is "five hundred twenty million, one hundred fifty-one thousand, seven".