520237706621253 has 8 divisors (see below), whose sum is σ = 693659104358400. Its totient is φ = 346820723315808.

The previous prime is 520237706621233. The next prime is 520237706621261. The reversal of 520237706621253 is 352126607732025.

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

It is not a de Polignac number, because 520237706621253 - 2²⁰ = 520237705572677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520237706621196 and 520237706621205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520237706621233) 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, 1103332933 + ... + 1103804346.

It is an arithmetic number, because the mean of its divisors is an integer number (86707388044800).

Almost surely, 2^{520237706621253} is an apocalyptic number.

It is an amenable number.

520237706621253 is a deficient number, since it is larger than the sum of its proper divisors (173421397737147).

520237706621253 is a wasteful number, since it uses less digits than its factorization.

520237706621253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207215851.

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 520237706621253 in words is "five hundred twenty trillion, two hundred thirty-seven billion, seven hundred six million, six hundred twenty-one thousand, two hundred fifty-three".