5205351523 has 8 divisors (see below), whose sum is σ = 5296964400. Its totient is φ = 5113851648.

The previous prime is 5205351509. The next prime is 5205351553. The reversal of 5205351523 is 3251535025.

5205351523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5205351523 - 2²⁵ = 5171797091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205351553) 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, 67515 + ... + 122347.

It is an arithmetic number, because the mean of its divisors is an integer number (662120550).

Almost surely, 2^5205351523 is an apocalyptic number.

5205351523 is a deficient number, since it is larger than the sum of its proper divisors (91612877).

5205351523 is a wasteful number, since it uses less digits than its factorization.

5205351523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56501.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 5205351523 is about 72148.1221030735. The cubic root of 5205351523 is about 1733.0723272388.

Adding to 5205351523 its reverse (3251535025), we get a palindrome (8456886548).

The spelling of 5205351523 in words is "five billion, two hundred five million, three hundred fifty-one thousand, five hundred twenty-three".