265339385 has 32 divisors (see below), whose sum is σ = 345489408. Its totient is φ = 195053760.

The previous prime is 265339381. The next prime is 265339391. The reversal of 265339385 is 583933562.

It is a happy number.

It is not a de Polignac number, because 265339385 - 2² = 265339381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265339381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937454 + ... + 937736.

It is an arithmetic number, because the mean of its divisors is an integer number (10796544).

Almost surely, 2^265339385 is an apocalyptic number.

It is an amenable number.

265339385 is a deficient number, since it is larger than the sum of its proper divisors (80150023).

265339385 is a wasteful number, since it uses less digits than its factorization.

265339385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 583200, while the sum is 44.

The square root of 265339385 is about 16289.2413881064. The cubic root of 265339385 is about 642.5899161052.

The spelling of 265339385 in words is "two hundred sixty-five million, three hundred thirty-nine thousand, three hundred eighty-five".