65285545 has 12 divisors (see below), whose sum is σ = 84833676. Its totient is φ = 48210240.

The previous prime is 65285543. The next prime is 65285551. The reversal of 65285545 is 54558256.

It can be written as a sum of positive squares in 6 ways, for example, as 6594624 + 58690921 = 2568^2 + 7661^2 .

It is not a de Polignac number, because 65285545 - 2¹ = 65285543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65285498 and 65285507.

It is not an unprimeable number, because it can be changed into a prime (65285543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37786 + ... + 39475.

It is an arithmetic number, because the mean of its divisors is an integer number (7069473).

Almost surely, 2^65285545 is an apocalyptic number.

65285545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65285545 is a deficient number, since it is larger than the sum of its proper divisors (19548131).

65285545 is a wasteful number, since it uses less digits than its factorization.

65285545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77292 (or 77279 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The square root of 65285545 is about 8079.9470914109. The cubic root of 65285545 is about 402.6604840791.

The spelling of 65285545 in words is "sixty-five million, two hundred eighty-five thousand, five hundred forty-five".