658420317 has 6 divisors (see below), whose sum is σ = 951051582. Its totient is φ = 438946872.

The previous prime is 658420289. The next prime is 658420331. The reversal of 658420317 is 713024856.

It can be written as a sum of positive squares in only one way, i.e., 489913956 + 168506361 = 22134^2 + 12981^2 .

It is a de Polignac number, because none of the positive numbers 2^k-658420317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658420337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36578898 + ... + 36578915.

It is an arithmetic number, because the mean of its divisors is an integer number (158508597).

Almost surely, 2^658420317 is an apocalyptic number.

It is an amenable number.

658420317 is a deficient number, since it is larger than the sum of its proper divisors (292631265).

658420317 is a wasteful number, since it uses less digits than its factorization.

658420317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73157819 (or 73157816 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 658420317 is about 25659.7022001425. The cubic root of 658420317 is about 869.9635854755.

The spelling of 658420317 in words is "six hundred fifty-eight million, four hundred twenty thousand, three hundred seventeen".