65066003 has 4 divisors (see below), whose sum is σ = 65131248. Its totient is φ = 65000760.

The previous prime is 65065961. The next prime is 65066047. The reversal of 65066003 is 30066056.

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

It is a cyclic number.

It is not a de Polignac number, because 65066003 - 2⁶ = 65065939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65066093) 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, 31103 + ... + 33128.

It is an arithmetic number, because the mean of its divisors is an integer number (16282812).

Almost surely, 2^65066003 is an apocalyptic number.

65066003 is a deficient number, since it is larger than the sum of its proper divisors (65245).

65066003 is a wasteful number, since it uses less digits than its factorization.

65066003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65244.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 65066003 is about 8066.3500419955. The cubic root of 65066003 is about 402.2086221091.

The spelling of 65066003 in words is "sixty-five million, sixty-six thousand, three".