905385265 has 4 divisors (see below), whose sum is σ = 1086462324. Its totient is φ = 724308208.

The previous prime is 905385263. The next prime is 905385319. The reversal of 905385265 is 562583509.

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 217739536 + 687645729 = 14756^2 + 26223^2 .

It is a cyclic number.

It is not a de Polignac number, because 905385265 - 2¹ = 905385263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (905385263) by changing a digit.

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, 90538522 + ... + 90538531.

It is an arithmetic number, because the mean of its divisors is an integer number (271615581).

Almost surely, 2^905385265 is an apocalyptic number.

It is an amenable number.

905385265 is a deficient number, since it is larger than the sum of its proper divisors (181077059).

905385265 is a wasteful number, since it uses less digits than its factorization.

905385265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181077058.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 905385265 is about 30089.6205526092. The cubic root of 905385265 is about 967.4112661133.

The spelling of 905385265 in words is "nine hundred five million, three hundred eighty-five thousand, two hundred sixty-five".