265049149 has 8 divisors (see below), whose sum is σ = 268808760. Its totient is φ = 261312000.

The previous prime is 265049137. The next prime is 265049153. The reversal of 265049149 is 941940562.

It can be written as a sum of positive squares in 4 ways, for example, as 63920025 + 201129124 = 7995^2 + 14182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265049149 - 2⁵ = 265049117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265049189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18897 + ... + 29785.

It is an arithmetic number, because the mean of its divisors is an integer number (33601095).

Almost surely, 2^265049149 is an apocalyptic number.

It is an amenable number.

265049149 is a deficient number, since it is larger than the sum of its proper divisors (3759611).

265049149 is a wasteful number, since it uses less digits than its factorization.

265049149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 265049149 is about 16280.3301256455. The cubic root of 265049149 is about 642.3555360628.

It can be divided in two parts, 26504 and 9149, that added together give a palindrome (35653).

The spelling of 265049149 in words is "two hundred sixty-five million, forty-nine thousand, one hundred forty-nine".