65012233 has 32 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 50165760.

The previous prime is 65012231. The next prime is 65012251. The reversal of 65012233 is 33221056.

It is a cyclic number.

It is not a de Polignac number, because 65012233 - 2¹ = 65012231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65012231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113973 + ... + 114541.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^65012233 is an apocalyptic number.

It is an amenable number.

65012233 is a deficient number, since it is larger than the sum of its proper divisors (17724407).

65012233 is a wasteful number, since it uses less digits than its factorization.

65012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 65012233 is about 8063.0163710611. The cubic root of 65012233 is about 402.0977976297.

Adding to 65012233 its reverse (33221056), we get a palindrome (98233289).

The spelling of 65012233 in words is "sixty-five million, twelve thousand, two hundred thirty-three".