265045969 has 4 divisors (see below), whose sum is σ = 266031540. Its totient is φ = 264060400.

The previous prime is 265045961. The next prime is 265046009. The reversal of 265045969 is 969540562.

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 18147600 + 246898369 = 4260^2 + 15713^2 .

It is a cyclic number.

It is not a de Polignac number, because 265045969 - 2³ = 265045961 is a prime.

It is a super-2 number, since 2×265045969² = 140498731366297922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265045961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492382 + ... + 492919.

It is an arithmetic number, because the mean of its divisors is an integer number (66507885).

Almost surely, 2^265045969 is an apocalyptic number.

It is an amenable number.

265045969 is a deficient number, since it is larger than the sum of its proper divisors (985571).

265045969 is an equidigital number, since it uses as much as digits as its factorization.

265045969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985570.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 265045969 is about 16280.2324614853. The cubic root of 265045969 is about 642.3529671068.

The spelling of 265045969 in words is "two hundred sixty-five million, forty-five thousand, nine hundred sixty-nine".