520535551703 has 4 divisors (see below), whose sum is σ = 521212451760. Its totient is φ = 519858651648.

The previous prime is 520535551699. The next prime is 520535551717. The reversal of 520535551703 is 307155535025.

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

It is a cyclic number.

It is not a de Polignac number, because 520535551703 - 2² = 520535551699 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 (520535551733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338448875 + ... + 338450412.

It is an arithmetic number, because the mean of its divisors is an integer number (130303112940).

Almost surely, 2^520535551703 is an apocalyptic number.

520535551703 is a deficient number, since it is larger than the sum of its proper divisors (676900057).

520535551703 is an equidigital number, since it uses as much as digits as its factorization.

520535551703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676900056.

The product of its (nonzero) digits is 393750, while the sum is 41.

The spelling of 520535551703 in words is "five hundred twenty billion, five hundred thirty-five million, five hundred fifty-one thousand, seven hundred three".