65397383 has 4 divisors (see below), whose sum is σ = 67507008. Its totient is φ = 63287760.

The previous prime is 65397377. The next prime is 65397403. The reversal of 65397383 is 38379356.

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 65397383 - 2²⁴ = 48620167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65397313) 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, 1054766 + ... + 1054827.

It is an arithmetic number, because the mean of its divisors is an integer number (16876752).

Almost surely, 2^65397383 is an apocalyptic number.

65397383 is a deficient number, since it is larger than the sum of its proper divisors (2109625).

65397383 is a wasteful number, since it uses less digits than its factorization.

65397383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109624.

The product of its digits is 408240, while the sum is 44.

The square root of 65397383 is about 8086.8648436832. The cubic root of 65397383 is about 402.8902799861.

The spelling of 65397383 in words is "sixty-five million, three hundred ninety-seven thousand, three hundred eighty-three".