5320723565 has 4 divisors (see below), whose sum is σ = 6384868284. Its totient is φ = 4256578848.

The previous prime is 5320723559. The next prime is 5320723571. The reversal of 5320723565 is 5653270235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5653270235 = 5 ⋅1130654047.

It is an interprime number because it is at equal distance from previous prime (5320723559) and next prime (5320723571).

It can be written as a sum of positive squares in 2 ways, for example, as 1956027529 + 3364696036 = 44227^2 + 58006^2 .

It is a cyclic number.

It is not a de Polignac number, because 5320723565 - 2²⁶ = 5253614701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532072352 + ... + 532072361.

It is an arithmetic number, because the mean of its divisors is an integer number (1596217071).

Almost surely, 2^5320723565 is an apocalyptic number.

It is an amenable number.

5320723565 is a deficient number, since it is larger than the sum of its proper divisors (1064144719).

5320723565 is a wasteful number, since it uses less digits than its factorization.

5320723565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064144718.

The product of its (nonzero) digits is 189000, while the sum is 38.

The square root of 5320723565 is about 72943.2900615266. The cubic root of 5320723565 is about 1745.7828869414.

The spelling of 5320723565 in words is "five billion, three hundred twenty million, seven hundred twenty-three thousand, five hundred sixty-five".