65489045 has 4 divisors (see below), whose sum is σ = 78586860. Its totient is φ = 52391232.

The previous prime is 65489041. The next prime is 65489059. The reversal of 65489045 is 54098456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49815364 + 15673681 = 7058^2 + 3959^2 .

It is a cyclic number.

It is not a de Polignac number, because 65489045 - 2² = 65489041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65488993 and 65489011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65489041) 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, 6548900 + ... + 6548909.

It is an arithmetic number, because the mean of its divisors is an integer number (19646715).

Almost surely, 2^65489045 is an apocalyptic number.

It is an amenable number.

65489045 is a deficient number, since it is larger than the sum of its proper divisors (13097815).

65489045 is a wasteful number, since it uses less digits than its factorization.

65489045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13097814.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 65489045 is about 8092.5301976576. The cubic root of 65489045 is about 403.0784245612.

The spelling of 65489045 in words is "sixty-five million, four hundred eighty-nine thousand, forty-five".