65482989 has 16 divisors (see below), whose sum is σ = 102575424. Its totient is φ = 36633600.

The previous prime is 65482981. The next prime is 65482999. The reversal of 65482989 is 98928456.

It is not a de Polignac number, because 65482989 - 2³ = 65482981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65482981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75892 + ... + 76749.

It is an arithmetic number, because the mean of its divisors is an integer number (6410964).

Almost surely, 2^65482989 is an apocalyptic number.

It is an amenable number.

65482989 is a deficient number, since it is larger than the sum of its proper divisors (37092435).

65482989 is a wasteful number, since it uses less digits than its factorization.

65482989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152668.

The product of its digits is 1244160, while the sum is 51.

The square root of 65482989 is about 8092.1560167856. The cubic root of 65482989 is about 403.0659994897.

The spelling of 65482989 in words is "sixty-five million, four hundred eighty-two thousand, nine hundred eighty-nine".