5205660353 has 4 divisors (see below), whose sum is σ = 5205826500. Its totient is φ = 5205494208.

The previous prime is 5205660347. The next prime is 5205660379. The reversal of 5205660353 is 3530665025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3739689409 + 1465970944 = 61153^2 + 38288^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205660353 - 2³² = 910693057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205660323) 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, 20228 + ... + 104021.

It is an arithmetic number, because the mean of its divisors is an integer number (1301456625).

Almost surely, 2^5205660353 is an apocalyptic number.

It is an amenable number.

5205660353 is a deficient number, since it is larger than the sum of its proper divisors (166147).

5205660353 is a wasteful number, since it uses less digits than its factorization.

5205660353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166146.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 5205660353 is about 72150.2623210755. The cubic root of 5205660353 is about 1733.1066005657.

The spelling of 5205660353 in words is "five billion, two hundred five million, six hundred sixty thousand, three hundred fifty-three".