65287233 has 12 divisors (see below), whose sum is σ = 102877008. Its totient is φ = 39567960.

The previous prime is 65287223. The next prime is 65287237. The reversal of 65287233 is 33278256.

It is not a de Polignac number, because 65287233 - 2¹⁶ = 65221697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65287237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329635 + ... + 329832.

It is an arithmetic number, because the mean of its divisors is an integer number (8573084).

Almost surely, 2^65287233 is an apocalyptic number.

It is an amenable number.

65287233 is a deficient number, since it is larger than the sum of its proper divisors (37589775).

65287233 is a wasteful number, since it uses less digits than its factorization.

65287233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659484 (or 659481 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 65287233 is about 8080.0515468653. The cubic root of 65287233 is about 402.6639543983.

The spelling of 65287233 in words is "sixty-five million, two hundred eighty-seven thousand, two hundred thirty-three".