1025567605 has 4 divisors (see below), whose sum is σ = 1230681132. Its totient is φ = 820454080.

The previous prime is 1025567573. The next prime is 1025567633. The reversal of 1025567605 is 5067655201.

1025567605 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 685497124 + 340070481 = 26182^2 + 18441^2 .

It is not a de Polignac number, because 1025567605 - 2⁵ = 1025567573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102556756 + ... + 102556765.

It is an arithmetic number, because the mean of its divisors is an integer number (307670283).

Almost surely, 2^1025567605 is an apocalyptic number.

It is an amenable number.

1025567605 is a deficient number, since it is larger than the sum of its proper divisors (205113527).

1025567605 is an equidigital number, since it uses as much as digits as its factorization.

1025567605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205113526.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 1025567605 is about 32024.4844611119. The cubic root of 1025567605 is about 1008.4509158390.

The spelling of 1025567605 in words is "one billion, twenty-five million, five hundred sixty-seven thousand, six hundred five".