10255565 has 4 divisors (see below), whose sum is σ = 12306684. Its totient is φ = 8204448.

The previous prime is 10255529. The next prime is 10255571. The reversal of 10255565 is 56555201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56555201 = 6871 ⋅8231.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 7496644 = 1661^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 10255565 - 2⁶ = 10255501 is a prime.

It is a super-2 number, since 2×10255565² = 210353226938450, which contains 22 as substring.

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, 1025552 + ... + 1025561.

It is an arithmetic number, because the mean of its divisors is an integer number (3076671).

Almost surely, 2^10255565 is an apocalyptic number.

It is an amenable number.

10255565 is a deficient number, since it is larger than the sum of its proper divisors (2051119).

10255565 is an equidigital number, since it uses as much as digits as its factorization.

10255565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051118.

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

The square root of 10255565 is about 3202.4311077680. The cubic root of 10255565 is about 217.2633794353.

The spelling of 10255565 in words is "ten million, two hundred fifty-five thousand, five hundred sixty-five".