213500675 has 6 divisors (see below), whose sum is σ = 264740868. Its totient is φ = 170800520.

The previous prime is 213500647. The next prime is 213500681. The reversal of 213500675 is 576005312.

It is not a de Polignac number, because 213500675 - 2⁶ = 213500611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4269989 + ... + 4270038.

It is an arithmetic number, because the mean of its divisors is an integer number (44123478).

Almost surely, 2^213500675 is an apocalyptic number.

213500675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213500675 is a deficient number, since it is larger than the sum of its proper divisors (51240193).

213500675 is an equidigital number, since it uses as much as digits as its factorization.

213500675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540037 (or 8540032 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 213500675 is about 14611.6622942087. The cubic root of 213500675 is about 597.6768265702.

Adding to 213500675 its reverse (576005312), we get a palindrome (789505987).

The spelling of 213500675 in words is "two hundred thirteen million, five hundred thousand, six hundred seventy-five".