659852747 has 4 divisors (see below), whose sum is σ = 682606320. Its totient is φ = 637099176.

The previous prime is 659852741. The next prime is 659852749. The reversal of 659852747 is 747258956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 659852747 - 2²⁶ = 592743883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659852741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11376743 + ... + 11376800.

It is an arithmetic number, because the mean of its divisors is an integer number (170651580).

Almost surely, 2^659852747 is an apocalyptic number.

659852747 is a deficient number, since it is larger than the sum of its proper divisors (22753573).

659852747 is a wasteful number, since it uses less digits than its factorization.

659852747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22753572.

The product of its digits is 4233600, while the sum is 53.

The square root of 659852747 is about 25687.5990898332. The cubic root of 659852747 is about 870.5940132327.

The spelling of 659852747 in words is "six hundred fifty-nine million, eight hundred fifty-two thousand, seven hundred forty-seven".