659909053 has 8 divisors (see below), whose sum is σ = 667935576. Its totient is φ = 651912000.

The previous prime is 659909027. The next prime is 659909057. The reversal of 659909053 is 350909956.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 340107364 + 319801689 = 18442^2 + 17883^2 .

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 659909053 - 2¹³ = 659900861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 659908994 and 659909012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659909057) 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, 39475 + ... + 53647.

It is an arithmetic number, because the mean of its divisors is an integer number (83491947).

Almost surely, 2^659909053 is an apocalyptic number.

It is an amenable number.

659909053 is a deficient number, since it is larger than the sum of its proper divisors (8026523).

659909053 is a wasteful number, since it uses less digits than its factorization.

659909053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735.

The product of its (nonzero) digits is 328050, while the sum is 46.

The square root of 659909053 is about 25688.6950427615. The cubic root of 659909053 is about 870.6187754605.

The spelling of 659909053 in words is "six hundred fifty-nine million, nine hundred nine thousand, fifty-three".