65066505 has 16 divisors (see below), whose sum is σ = 118978944. Its totient is φ = 29744640.

The previous prime is 65066483. The next prime is 65066537. The reversal of 65066505 is 50566056.

It is not a de Polignac number, because 65066505 - 2⁸ = 65066249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309736 + ... + 309945.

It is an arithmetic number, because the mean of its divisors is an integer number (7436184).

Almost surely, 2^65066505 is an apocalyptic number.

It is an amenable number.

65066505 is a deficient number, since it is larger than the sum of its proper divisors (53912439).

65066505 is a wasteful number, since it uses less digits than its factorization.

65066505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619696.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 65066505 is about 8066.3811588593. The cubic root of 65066505 is about 402.2096564855.

The spelling of 65066505 in words is "sixty-five million, sixty-six thousand, five hundred five".