213001049 has 2 divisors, whose sum is σ = 213001050. Its totient is φ = 213001048.

The previous prime is 213001003. The next prime is 213001057. The reversal of 213001049 is 940100312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203347600 + 9653449 = 14260^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 213001049 - 2⁸ = 213000793 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213001049.

It is not a weakly prime, because it can be changed into another prime (213001069) by changing a digit.

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 as a sum of consecutive naturals, namely, 106500524 + 106500525.

It is an arithmetic number, because the mean of its divisors is an integer number (106500525).

Almost surely, 2^213001049 is an apocalyptic number.

It is an amenable number.

213001049 is a deficient number, since it is larger than the sum of its proper divisors (1).

213001049 is an equidigital number, since it uses as much as digits as its factorization.

213001049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 213001049 is about 14594.5554574300. Note that the first 3 decimals coincide. The cubic root of 213001049 is about 597.2102423762.

The spelling of 213001049 in words is "two hundred thirteen million, one thousand, forty-nine".