65049 has 4 divisors (see below), whose sum is σ = 86736. Its totient is φ = 43364.

The previous prime is 65033. The next prime is 65053. The reversal of 65049 is 94056.

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 65049 - 2⁴ = 65033 is a prime.

It is a D-number.

It is a Curzon number.

65049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (65029) 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, 10839 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (21684).

2⁶⁵⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

65049 is a deficient number, since it is larger than the sum of its proper divisors (21687).

65049 is a wasteful number, since it uses less digits than its factorization.

65049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 65049 is about 255.0470544821. The cubic root of 65049 is about 40.2173584103.

Subtracting from 65049 its sum of digits (24), we obtain a square (65025 = 255²).

The spelling of 65049 in words is "sixty-five thousand, forty-nine".