658428017 has 8 divisors (see below), whose sum is σ = 709401000. Its totient is φ = 607501440.

The previous prime is 658428011. The next prime is 658428019. The reversal of 658428017 is 710824856.

It can be written as a sum of positive squares in 4 ways, for example, as 75881521 + 582546496 = 8711^2 + 24136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 658428017 - 2⁸ = 658427761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (658428011) 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, 21359 + ... + 42107.

It is an arithmetic number, because the mean of its divisors is an integer number (88675125).

Almost surely, 2^658428017 is an apocalyptic number.

It is an amenable number.

658428017 is a deficient number, since it is larger than the sum of its proper divisors (50972983).

658428017 is a wasteful number, since it uses less digits than its factorization.

658428017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23203.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 658428017 is about 25659.8522404164. The cubic root of 658428017 is about 869.9669767709.

The spelling of 658428017 in words is "six hundred fifty-eight million, four hundred twenty-eight thousand, seventeen".