5125565 has 4 divisors (see below), whose sum is σ = 6150684. Its totient is φ = 4100448.

The previous prime is 5125559. The next prime is 5125583. The reversal of 5125565 is 5655215.

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 1338649 + 3786916 = 1157^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 5125565 - 2¹⁰ = 5124541 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, 512552 + ... + 512561.

It is an arithmetic number, because the mean of its divisors is an integer number (1537671).

Almost surely, 2^5125565 is an apocalyptic number.

It is an amenable number.

5125565 is a deficient number, since it is larger than the sum of its proper divisors (1025119).

5125565 is a wasteful number, since it uses less digits than its factorization.

5125565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025118.

The product of its digits is 7500, while the sum is 29.

The square root of 5125565 is about 2263.9710687197. The cubic root of 5125565 is about 172.4171975351.

The spelling of 5125565 in words is "five million, one hundred twenty-five thousand, five hundred sixty-five".