210041393 has 2 divisors, whose sum is σ = 210041394. Its totient is φ = 210041392.

The previous prime is 210041389. The next prime is 210041407. The reversal of 210041393 is 393140012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111872929 + 98168464 = 10577^2 + 9908^2 .

It is a cyclic number.

It is not a de Polignac number, because 210041393 - 2² = 210041389 is a prime.

It is not a weakly prime, because it can be changed into another prime (210041303) 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, 105020696 + 105020697.

It is an arithmetic number, because the mean of its divisors is an integer number (105020697).

Almost surely, 2^210041393 is an apocalyptic number.

It is an amenable number.

210041393 is a deficient number, since it is larger than the sum of its proper divisors (1).

210041393 is an equidigital number, since it uses as much as digits as its factorization.

210041393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 210041393 is about 14492.8048700036. The cubic root of 210041393 is about 594.4312461648.

The spelling of 210041393 in words is "two hundred ten million, forty-one thousand, three hundred ninety-three".