659551441 has 8 divisors (see below), whose sum is σ = 661921920. Its totient is φ = 657186432.

The previous prime is 659551433. The next prime is 659551457. The reversal of 659551441 is 144155956.

It is a happy number.

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 659551441 - 2³ = 659551433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 659551394 and 659551403.

It is not an unprimeable number, because it can be changed into a prime (659551421) 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, 499380 + ... + 500698.

It is an arithmetic number, because the mean of its divisors is an integer number (82740240).

Almost surely, 2^659551441 is an apocalyptic number.

It is an amenable number.

659551441 is a deficient number, since it is larger than the sum of its proper divisors (2370479).

659551441 is a wasteful number, since it uses less digits than its factorization.

659551441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its digits is 108000, while the sum is 40.

The square root of 659551441 is about 25681.7336058141. The cubic root of 659551441 is about 870.4614810691.

The spelling of 659551441 in words is "six hundred fifty-nine million, five hundred fifty-one thousand, four hundred forty-one".