265056449 has 4 divisors (see below), whose sum is σ = 302921664. Its totient is φ = 227191236.

The previous prime is 265056443. The next prime is 265056457. The reversal of 265056449 is 944650562.

It is a happy number.

265056449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 944650562 = 2 ⋅472325281.

It is a cyclic number.

It is not a de Polignac number, because 265056449 - 2⁸ = 265056193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (265056443) 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, 18932597 + ... + 18932610.

It is an arithmetic number, because the mean of its divisors is an integer number (75730416).

Almost surely, 2^265056449 is an apocalyptic number.

It is an amenable number.

265056449 is a deficient number, since it is larger than the sum of its proper divisors (37865215).

265056449 is an equidigital number, since it uses as much as digits as its factorization.

265056449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37865214.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 265056449 is about 16280.5543210297. The cubic root of 265056449 is about 642.3614332739.

The spelling of 265056449 in words is "two hundred sixty-five million, fifty-six thousand, four hundred forty-nine".