65380489 has 8 divisors (see below), whose sum is σ = 66513920. Its totient is φ = 64256976.

The previous prime is 65380481. The next prime is 65380493. The reversal of 65380489 is 98408356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65380489 - 2³ = 65380481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65380481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11482 + ... + 16204.

It is an arithmetic number, because the mean of its divisors is an integer number (8314240).

Almost surely, 2^65380489 is an apocalyptic number.

It is an amenable number.

65380489 is a deficient number, since it is larger than the sum of its proper divisors (1133431).

65380489 is a wasteful number, since it uses less digits than its factorization.

65380489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 65380489 is about 8085.8202428696. The cubic root of 65380489 is about 402.8555843339.

The spelling of 65380489 in words is "sixty-five million, three hundred eighty thousand, four hundred eighty-nine".