65044485 has 32 divisors (see below), whose sum is σ = 126149760. Its totient is φ = 31536000.

The previous prime is 65044481. The next prime is 65044487. The reversal of 65044485 is 58444056.

It is not a de Polignac number, because 65044485 - 2² = 65044481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65044481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20416 + ... + 23385.

It is an arithmetic number, because the mean of its divisors is an integer number (3942180).

Almost surely, 2^65044485 is an apocalyptic number.

It is an amenable number.

65044485 is a deficient number, since it is larger than the sum of its proper divisors (61105275).

65044485 is a wasteful number, since it uses less digits than its factorization.

65044485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43826 (or 43820 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 65044485 is about 8065.0161190167. The cubic root of 65044485 is about 402.1642790371.

The spelling of 65044485 in words is "sixty-five million, forty-four thousand, four hundred eighty-five".