659071043 has 4 divisors (see below), whose sum is σ = 659479248. Its totient is φ = 658662840.

The previous prime is 659071037. The next prime is 659071057. The reversal of 659071043 is 340170956.

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 659071043 - 2⁸ = 659070787 is a prime.

It is a super-2 number, since 2×659071043² = 868749279442215698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 659070994 and 659071012.

It is not an unprimeable number, because it can be changed into a prime (659071033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201671 + ... + 204912.

It is an arithmetic number, because the mean of its divisors is an integer number (164869812).

Almost surely, 2^659071043 is an apocalyptic number.

659071043 is a deficient number, since it is larger than the sum of its proper divisors (408205).

659071043 is a wasteful number, since it uses less digits than its factorization.

659071043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408204.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 659071043 is about 25672.3789898794. The cubic root of 659071043 is about 870.2500901668.

The spelling of 659071043 in words is "six hundred fifty-nine million, seventy-one thousand, forty-three".