65441045 has 4 divisors (see below), whose sum is σ = 78529260. Its totient is φ = 52352832.

The previous prime is 65441039. The next prime is 65441063. The reversal of 65441045 is 54014456.

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 18887716 + 46553329 = 4346^2 + 6823^2 .

It is a cyclic number.

It is not a de Polignac number, because 65441045 - 2¹² = 65436949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65440999 and 65441017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6544100 + ... + 6544109.

It is an arithmetic number, because the mean of its divisors is an integer number (19632315).

Almost surely, 2^65441045 is an apocalyptic number.

It is an amenable number.

65441045 is a deficient number, since it is larger than the sum of its proper divisors (13088215).

65441045 is a wasteful number, since it uses less digits than its factorization.

65441045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088214.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 65441045 is about 8089.5639561104. The cubic root of 65441045 is about 402.9799221156.

The spelling of 65441045 in words is "sixty-five million, four hundred forty-one thousand, forty-five".