265314389 has 4 divisors (see below), whose sum is σ = 270959424. Its totient is φ = 259669356.

The previous prime is 265314377. The next prime is 265314391. The reversal of 265314389 is 983413562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265314389 - 2⁴ = 265314373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265314349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822447 + ... + 2822540.

It is an arithmetic number, because the mean of its divisors is an integer number (67739856).

Almost surely, 2^265314389 is an apocalyptic number.

It is an amenable number.

265314389 is a deficient number, since it is larger than the sum of its proper divisors (5645035).

265314389 is an equidigital number, since it uses as much as digits as its factorization.

265314389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645034.

The product of its digits is 155520, while the sum is 41.

The square root of 265314389 is about 16288.4741151527. The cubic root of 265314389 is about 642.5697373168.

The spelling of 265314389 in words is "two hundred sixty-five million, three hundred fourteen thousand, three hundred eighty-nine".