265005049 has 6 divisors (see below), whose sum is σ = 269576330. Its totient is φ = 260510016.

The previous prime is 265005023. The next prime is 265005053. The reversal of 265005049 is 940500562.

It can be written as a sum of positive squares in only one way, i.e., 259435449 + 5569600 = 16107^2 + 2360^2 .

It is not a de Polignac number, because 265005049 - 2¹⁷ = 264873977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265005049.

It is not an unprimeable number, because it can be changed into a prime (265005079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34584 + ... + 41545.

Almost surely, 2^265005049 is an apocalyptic number.

It is an amenable number.

265005049 is a deficient number, since it is larger than the sum of its proper divisors (4571281).

265005049 is an frugal number, since it uses more digits than its factorization.

265005049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76247 (or 76188 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 265005049 is about 16278.9756741633. The cubic root of 265005049 is about 642.3199081418.

The spelling of 265005049 in words is "two hundred sixty-five million, five thousand, forty-nine".