265075249 has 4 divisors (see below), whose sum is σ = 269031664. Its totient is φ = 261118836.

The previous prime is 265075243. The next prime is 265075267. The reversal of 265075249 is 942570562.

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 265075249 - 2³ = 265075241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (265075241) 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, 1978107 + ... + 1978240.

It is an arithmetic number, because the mean of its divisors is an integer number (67257916).

Almost surely, 2^265075249 is an apocalyptic number.

It is an amenable number.

265075249 is a deficient number, since it is larger than the sum of its proper divisors (3956415).

265075249 is an equidigital number, since it uses as much as digits as its factorization.

265075249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956414.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 265075249 is about 16281.1316867102. The cubic root of 265075249 is about 642.3766201136.

The spelling of 265075249 in words is "two hundred sixty-five million, seventy-five thousand, two hundred forty-nine".