659492061 has 4 divisors (see below), whose sum is σ = 879322752. Its totient is φ = 439661372.

The previous prime is 659492003. The next prime is 659492063. The reversal of 659492061 is 160294956.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 659492061 - 2⁶ = 659491997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659492063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109915341 + ... + 109915346.

It is an arithmetic number, because the mean of its divisors is an integer number (219830688).

Almost surely, 2^659492061 is an apocalyptic number.

It is an amenable number.

659492061 is a deficient number, since it is larger than the sum of its proper divisors (219830691).

659492061 is a wasteful number, since it uses less digits than its factorization.

659492061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219830690.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 659492061 is about 25680.5775051886. The cubic root of 659492061 is about 870.4353574793.

The spelling of 659492061 in words is "six hundred fifty-nine million, four hundred ninety-two thousand, sixty-one".