65332147 has 4 divisors (see below), whose sum is σ = 66925656. Its totient is φ = 63738640.

The previous prime is 65332129. The next prime is 65332151. The reversal of 65332147 is 74123356.

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 65332147 - 2⁷ = 65332019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65335147) 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, 796693 + ... + 796774.

It is an arithmetic number, because the mean of its divisors is an integer number (16731414).

Almost surely, 2^65332147 is an apocalyptic number.

65332147 is a deficient number, since it is larger than the sum of its proper divisors (1593509).

65332147 is a wasteful number, since it uses less digits than its factorization.

65332147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593508.

The product of its digits is 15120, while the sum is 31.

The square root of 65332147 is about 8082.8303829785. The cubic root of 65332147 is about 402.7562700645.

The spelling of 65332147 in words is "sixty-five million, three hundred thirty-two thousand, one hundred forty-seven".