5205523531 has 8 divisors (see below), whose sum is σ = 5606988464. Its totient is φ = 4804207200.

The previous prime is 5205523529. The next prime is 5205523559. The reversal of 5205523531 is 1353255025.

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

It is not a de Polignac number, because 5205523531 - 2¹ = 5205523529 is a prime.

It is a super-2 number, since 2×5205523531² = 54194950463589415922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5205523493 and 5205523502.

It is not an unprimeable number, because it can be changed into a prime (5205523591) 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, 41845 + ... + 110281.

It is an arithmetic number, because the mean of its divisors is an integer number (700873558).

Almost surely, 2^5205523531 is an apocalyptic number.

5205523531 is a deficient number, since it is larger than the sum of its proper divisors (401464933).

5205523531 is a wasteful number, since it uses less digits than its factorization.

5205523531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74301.

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

The square root of 5205523531 is about 72149.3141408842. The cubic root of 5205523531 is about 1733.0914165050.

Adding to 5205523531 its reverse (1353255025), we get a palindrome (6558778556).

The spelling of 5205523531 in words is "five billion, two hundred five million, five hundred twenty-three thousand, five hundred thirty-one".