659492797 has 4 divisors (see below), whose sum is σ = 659965600. Its totient is φ = 659019996.

The previous prime is 659492789. The next prime is 659492809. The reversal of 659492797 is 797294956.

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 659492797 - 2³ = 659492789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659492707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234303 + ... + 237100.

It is an arithmetic number, because the mean of its divisors is an integer number (164991400).

Almost surely, 2^659492797 is an apocalyptic number.

It is an amenable number.

659492797 is a deficient number, since it is larger than the sum of its proper divisors (472803).

659492797 is a wasteful number, since it uses less digits than its factorization.

659492797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472802.

The product of its digits is 8573040, while the sum is 58.

The square root of 659492797 is about 25680.5918350804. The cubic root of 659492797 is about 870.4356812841.

The spelling of 659492797 in words is "six hundred fifty-nine million, four hundred ninety-two thousand, seven hundred ninety-seven".