70281283 has 2 divisors, whose sum is σ = 70281284. Its totient is φ = 70281282.

The previous prime is 70281259. The next prime is 70281287. The reversal of 70281283 is 38218207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70281283 - 2⁵ = 70281251 is a prime.

It is not a weakly prime, because it can be changed into another prime (70281287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35140641 + 35140642.

It is an arithmetic number, because the mean of its divisors is an integer number (35140642).

Almost surely, 2^70281283 is an apocalyptic number.

70281283 is a deficient number, since it is larger than the sum of its proper divisors (1).

70281283 is an equidigital number, since it uses as much as digits as its factorization.

70281283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 70281283 is about 8383.3932867306. The cubic root of 70281283 is about 412.6798148401.

The spelling of 70281283 in words is "seventy million, two hundred eighty-one thousand, two hundred eighty-three".