265053049 has 4 divisors (see below), whose sum is σ = 265086864. Its totient is φ = 265019236.

The previous prime is 265053037. The next prime is 265053071. The reversal of 265053049 is 940350562.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 265053049 - 2¹⁵ = 265020281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265053029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614 + ... + 23080.

It is an arithmetic number, because the mean of its divisors is an integer number (66271716).

Almost surely, 2^265053049 is an apocalyptic number.

It is an amenable number.

265053049 is a deficient number, since it is larger than the sum of its proper divisors (33815).

265053049 is a wasteful number, since it uses less digits than its factorization.

265053049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33814.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 265053049 is about 16280.4499016458. The cubic root of 265053049 is about 642.3586866411.

The spelling of 265053049 in words is "two hundred sixty-five million, fifty-three thousand, forty-nine".