70282213 has 2 divisors, whose sum is σ = 70282214. Its totient is φ = 70282212.

The previous prime is 70282207. The next prime is 70282217. The reversal of 70282213 is 31228207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42224004 + 28058209 = 6498^2 + 5297^2 .

It is a cyclic number.

It is not a de Polignac number, because 70282213 - 2¹⁷ = 70151141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70282217) 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, 35141106 + 35141107.

It is an arithmetic number, because the mean of its divisors is an integer number (35141107).

Almost surely, 2^70282213 is an apocalyptic number.

It is an amenable number.

70282213 is a deficient number, since it is larger than the sum of its proper divisors (1).

70282213 is an equidigital number, since it uses as much as digits as its factorization.

70282213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70282213 is about 8383.4487533473. The cubic root of 70282213 is about 412.6816350996.

The spelling of 70282213 in words is "seventy million, two hundred eighty-two thousand, two hundred thirteen".