66030241 has 4 divisors (see below), whose sum is σ = 67565872. Its totient is φ = 64494612.

The previous prime is 66030233. The next prime is 66030269. The reversal of 66030241 is 14203066.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14203066 = 2 ⋅7101533.

It is a cyclic number.

It is not a de Polignac number, because 66030241 - 2³ = 66030233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66030281) 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, 767751 + ... + 767836.

It is an arithmetic number, because the mean of its divisors is an integer number (16891468).

Almost surely, 2^66030241 is an apocalyptic number.

It is an amenable number.

66030241 is a deficient number, since it is larger than the sum of its proper divisors (1535631).

66030241 is a wasteful number, since it uses less digits than its factorization.

66030241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535630.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 66030241 is about 8125.8993963745. The cubic root of 66030241 is about 404.1857154353.

The spelling of 66030241 in words is "sixty-six million, thirty thousand, two hundred forty-one".