65324993 has 4 divisors (see below), whose sum is σ = 65356800. Its totient is φ = 65293188.

The previous prime is 65324989. The next prime is 65325011. The reversal of 65324993 is 39942356.

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 65324993 - 2² = 65324989 is a prime.

It is a super-3 number, since 3×65324993³ (a number of 24 digits) contains 333 as substring.

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 65324993.

It is not an unprimeable number, because it can be changed into a prime (65324923) 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, 12593 + ... + 17006.

It is an arithmetic number, because the mean of its divisors is an integer number (16339200).

Almost surely, 2^65324993 is an apocalyptic number.

It is an amenable number.

65324993 is a deficient number, since it is larger than the sum of its proper divisors (31807).

65324993 is a wasteful number, since it uses less digits than its factorization.

65324993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31806.

The product of its digits is 174960, while the sum is 41.

The square root of 65324993 is about 8082.3878278637. The cubic root of 65324993 is about 402.7415686570.

The spelling of 65324993 in words is "sixty-five million, three hundred twenty-four thousand, nine hundred ninety-three".