265385445 has 64 divisors (see below), whose sum is σ = 487710720. Its totient is φ = 122141952.

The previous prime is 265385443. The next prime is 265385507. The reversal of 265385445 is 544583562.

It is not a de Polignac number, because 265385445 - 2¹ = 265385443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265385397 and 265385406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265385443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307084 + ... + 307946.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 2^265385445 is an apocalyptic number.

It is an amenable number.

265385445 is a deficient number, since it is larger than the sum of its proper divisors (222325275).

265385445 is a wasteful number, since it uses less digits than its factorization.

265385445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its digits is 576000, while the sum is 42.

The square root of 265385445 is about 16290.6551433636. The cubic root of 265385445 is about 642.6270961355.

The spelling of 265385445 in words is "two hundred sixty-five million, three hundred eighty-five thousand, four hundred forty-five".