5312077565 has 4 divisors (see below), whose sum is σ = 6374493084. Its totient is φ = 4249662048.

The previous prime is 5312077559. The next prime is 5312077609. The reversal of 5312077565 is 5657702135.

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 2776552249 + 2535525316 = 52693^2 + 50354^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312077565 - 2⁶ = 5312077501 is a prime.

It is a Duffinian number.

It is a Curzon 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, 531207752 + ... + 531207761.

It is an arithmetic number, because the mean of its divisors is an integer number (1593623271).

Almost surely, 2^5312077565 is an apocalyptic number.

It is an amenable number.

5312077565 is a deficient number, since it is larger than the sum of its proper divisors (1062415519).

5312077565 is a wasteful number, since it uses less digits than its factorization.

5312077565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062415518.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 5312077565 is about 72884.0007477636. Note that the first 3 decimals coincide. The cubic root of 5312077565 is about 1744.8367611112.

The spelling of 5312077565 in words is "five billion, three hundred twelve million, seventy-seven thousand, five hundred sixty-five".