213046049 has 2 divisors, whose sum is σ = 213046050. Its totient is φ = 213046048.

The previous prime is 213046021. The next prime is 213046073. The reversal of 213046049 is 940640312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186595600 + 26450449 = 13660^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 213046049 - 2¹² = 213041953 is a prime.

It is not a weakly prime, because it can be changed into another prime (213046349) 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, 106523024 + 106523025.

It is an arithmetic number, because the mean of its divisors is an integer number (106523025).

Almost surely, 2^213046049 is an apocalyptic number.

It is an amenable number.

213046049 is a deficient number, since it is larger than the sum of its proper divisors (1).

213046049 is an equidigital number, since it uses as much as digits as its factorization.

213046049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 213046049 is about 14596.0970468136. The cubic root of 213046049 is about 597.2522962670.

The spelling of 213046049 in words is "two hundred thirteen million, forty-six thousand, forty-nine".