65066501 has 4 divisors (see below), whose sum is σ = 65278752. Its totient is φ = 64854252.

The previous prime is 65066483. The next prime is 65066537. The reversal of 65066501 is 10566056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65066501 - 2⁶ = 65066437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65066591) 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, 105665 + ... + 106278.

It is an arithmetic number, because the mean of its divisors is an integer number (16319688).

Almost surely, 2^65066501 is an apocalyptic number.

It is an amenable number.

65066501 is a deficient number, since it is larger than the sum of its proper divisors (212251).

65066501 is a wasteful number, since it uses less digits than its factorization.

65066501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212250.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 65066501 is about 8066.3809109166. The cubic root of 65066501 is about 402.2096482435.

The spelling of 65066501 in words is "sixty-five million, sixty-six thousand, five hundred one".