70255219 has 2 divisors, whose sum is σ = 70255220. Its totient is φ = 70255218.

The previous prime is 70255201. The next prime is 70255231. The reversal of 70255219 is 91255207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70255219 - 2⁷ = 70255091 is a prime.

It is a super-2 number, since 2×70255219² = 9871591593475922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70255279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35127609 + 35127610.

It is an arithmetic number, because the mean of its divisors is an integer number (35127610).

Almost surely, 2^70255219 is an apocalyptic number.

70255219 is a deficient number, since it is larger than the sum of its proper divisors (1).

70255219 is an equidigital number, since it uses as much as digits as its factorization.

70255219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 70255219 is about 8381.8386407757. The cubic root of 70255219 is about 412.6287940649.

The spelling of 70255219 in words is "seventy million, two hundred fifty-five thousand, two hundred nineteen".