213449603 has 16 divisors (see below), whose sum is σ = 231460416. Its totient is φ = 196085760.

The previous prime is 213449581. The next prime is 213449609. The reversal of 213449603 is 306944312.

It is a cyclic number.

It is not a de Polignac number, because 213449603 - 2¹⁴ = 213433219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213449603.

It is not an unprimeable number, because it can be changed into a prime (213449609) 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, 216650 + ... + 217632.

It is an arithmetic number, because the mean of its divisors is an integer number (14466276).

Almost surely, 2^213449603 is an apocalyptic number.

213449603 is a deficient number, since it is larger than the sum of its proper divisors (18010813).

213449603 is a wasteful number, since it uses less digits than its factorization.

213449603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 213449603 is about 14609.9145445824. The cubic root of 213449603 is about 597.6291655419.

The spelling of 213449603 in words is "two hundred thirteen million, four hundred forty-nine thousand, six hundred three".