213541006 has 8 divisors (see below), whose sum is σ = 366070320. Its totient is φ = 91517568.

The previous prime is 213540991. The next prime is 213541049. The reversal of 213541006 is 600145312.

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

It is a super-2 number, since 2×213541006² = 91199522486984072, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 7626451 + ... + 7626478.

It is an arithmetic number, because the mean of its divisors is an integer number (45758790).

Almost surely, 2^213541006 is an apocalyptic number.

213541006 is a deficient number, since it is larger than the sum of its proper divisors (152529314).

213541006 is a wasteful number, since it uses less digits than its factorization.

213541006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15252938.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 213541006 is about 14613.0423252655. The cubic root of 213541006 is about 597.7144585924.

Adding to 213541006 its reverse (600145312), we get a palindrome (813686318).

The spelling of 213541006 in words is "two hundred thirteen million, five hundred forty-one thousand, six".