65969233 has 4 divisors (see below), whose sum is σ = 71966448. Its totient is φ = 59972020.

The previous prime is 65969213. The next prime is 65969249. The reversal of 65969233 is 33296956.

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 65969233 - 2¹³ = 65961041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65969233.

It is not an unprimeable number, because it can be changed into a prime (65969213) 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, 2998591 + ... + 2998612.

It is an arithmetic number, because the mean of its divisors is an integer number (17991612).

Almost surely, 2^65969233 is an apocalyptic number.

It is an amenable number.

65969233 is a deficient number, since it is larger than the sum of its proper divisors (5997215).

65969233 is a wasteful number, since it uses less digits than its factorization.

65969233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997214.

The product of its digits is 262440, while the sum is 43.

The square root of 65969233 is about 8122.1446059523. The cubic root of 65969233 is about 404.0611959222.

The spelling of 65969233 in words is "sixty-five million, nine hundred sixty-nine thousand, two hundred thirty-three".