70054219 has 2 divisors, whose sum is σ = 70054220. Its totient is φ = 70054218.

The previous prime is 70054217. The next prime is 70054247. The reversal of 70054219 is 91245007.

It is a happy number.

It is an a-pointer prime, because the next prime (70054247) can be obtained adding 70054219 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70054219 - 2¹ = 70054217 is a prime.

It is a super-2 number, since 2×70054219² = 9815187199399922, which contains 22 as substring.

Together with 70054217, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70054211) 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, 35027109 + 35027110.

It is an arithmetic number, because the mean of its divisors is an integer number (35027110).

Almost surely, 2^70054219 is an apocalyptic number.

70054219 is a deficient number, since it is larger than the sum of its proper divisors (1).

70054219 is an equidigital number, since it uses as much as digits as its factorization.

70054219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 70054219 is about 8369.8398431511. The cubic root of 70054219 is about 412.2349082191.

The spelling of 70054219 in words is "seventy million, fifty-four thousand, two hundred nineteen".