65343287 has 4 divisors (see below), whose sum is σ = 65776176. Its totient is φ = 64910400.

The previous prime is 65343283. The next prime is 65343307. The reversal of 65343287 is 78234356.

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 65343287 - 2² = 65343283 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 65343287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65343283) 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, 216218 + ... + 216519.

It is an arithmetic number, because the mean of its divisors is an integer number (16444044).

Almost surely, 2^65343287 is an apocalyptic number.

65343287 is a deficient number, since it is larger than the sum of its proper divisors (432889).

65343287 is a wasteful number, since it uses less digits than its factorization.

65343287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432888.

The product of its digits is 120960, while the sum is 38.

The square root of 65343287 is about 8083.5194686473. The cubic root of 65343287 is about 402.7791605304.

The spelling of 65343287 in words is "sixty-five million, three hundred forty-three thousand, two hundred eighty-seven".