520887003 has 64 divisors (see below), whose sum is σ = 910694400. Its totient is φ = 262652544.

The previous prime is 520886983. The next prime is 520887013. The reversal of 520887003 is 300788025.

It is not a de Polignac number, because 520887003 - 2¹⁴ = 520870619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520887013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306825 + ... + 308517.

It is an arithmetic number, because the mean of its divisors is an integer number (14229600).

Almost surely, 2^520887003 is an apocalyptic number.

520887003 is a deficient number, since it is larger than the sum of its proper divisors (389807397).

520887003 is a wasteful number, since it uses less digits than its factorization.

520887003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 520887003 is about 22822.9490425755. The cubic root of 520887003 is about 804.6021222187.

The spelling of 520887003 in words is "five hundred twenty million, eight hundred eighty-seven thousand, three".