520701353 has 8 divisors (see below), whose sum is σ = 539398440. Its totient is φ = 502289920.

The previous prime is 520701341. The next prime is 520701427. The reversal of 520701353 is 353107025.

It can be written as a sum of positive squares in 4 ways, for example, as 2319529 + 518381824 = 1523^2 + 22768^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 520701353 - 2¹⁸ = 520439209 is a prime.

It is a super-2 number, since 2×520701353² = 542259798032061218, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520701053) 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, 67700 + ... + 74997.

It is an arithmetic number, because the mean of its divisors is an integer number (67424805).

Almost surely, 2^520701353 is an apocalyptic number.

It is an amenable number.

520701353 is a deficient number, since it is larger than the sum of its proper divisors (18697087).

520701353 is a wasteful number, since it uses less digits than its factorization.

520701353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142827.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 520701353 is about 22818.8815019492. The cubic root of 520701353 is about 804.5065211044.

Adding to 520701353 its reverse (353107025), we get a palindrome (873808378).

The spelling of 520701353 in words is "five hundred twenty million, seven hundred one thousand, three hundred fifty-three".