65488583 has 4 divisors (see below), whose sum is σ = 67746840. Its totient is φ = 63230328.

The previous prime is 65488571. The next prime is 65488597. The reversal of 65488583 is 38588456.

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 65488583 - 2¹⁶ = 65423047 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 (65488543) 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, 1129085 + ... + 1129142.

It is an arithmetic number, because the mean of its divisors is an integer number (16936710).

Almost surely, 2^65488583 is an apocalyptic number.

65488583 is a deficient number, since it is larger than the sum of its proper divisors (2258257).

65488583 is a wasteful number, since it uses less digits than its factorization.

65488583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258256.

The product of its digits is 921600, while the sum is 47.

The square root of 65488583 is about 8092.5016527647. The cubic root of 65488583 is about 403.0774767046.

The spelling of 65488583 in words is "sixty-five million, four hundred eighty-eight thousand, five hundred eighty-three".