213241017 has 16 divisors (see below), whose sum is σ = 313371072. Its totient is φ = 127902720.

The previous prime is 213240991. The next prime is 213241019. The reversal of 213241017 is 710142312.

It is not a de Polignac number, because 213241017 - 2¹⁴ = 213224633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213240984 and 213241002.

It is not an unprimeable number, because it can be changed into a prime (213241019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30108 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (19585692).

Almost surely, 2^213241017 is an apocalyptic number.

It is an amenable number.

213241017 is a deficient number, since it is larger than the sum of its proper divisors (100130055).

213241017 is a wasteful number, since it uses less digits than its factorization.

213241017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66728.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 213241017 is about 14602.7742912092. The cubic root of 213241017 is about 597.4344315110.

Adding to 213241017 its reverse (710142312), we get a palindrome (923383329).

The spelling of 213241017 in words is "two hundred thirteen million, two hundred forty-one thousand, seventeen".