69994213 has 2 divisors, whose sum is σ = 69994214. Its totient is φ = 69994212.

The previous prime is 69994201. The next prime is 69994273. The reversal of 69994213 is 31249996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69522244 + 471969 = 8338^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 69994213 - 2⁵ = 69994181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69994213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69994273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34997106 + 34997107.

It is an arithmetic number, because the mean of its divisors is an integer number (34997107).

Almost surely, 2^69994213 is an apocalyptic number.

It is an amenable number.

69994213 is a deficient number, since it is larger than the sum of its proper divisors (1).

69994213 is an equidigital number, since it uses as much as digits as its factorization.

69994213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 69994213 is about 8366.2544187946. The cubic root of 69994213 is about 412.1171725831.

It can be divided in two parts, 69994 and 213, that added together give a palindrome (70207).

The spelling of 69994213 in words is "sixty-nine million, nine hundred ninety-four thousand, two hundred thirteen".