70152289 has 2 divisors, whose sum is σ = 70152290. Its totient is φ = 70152288.

The previous prime is 70152281. The next prime is 70152301. The reversal of 70152289 is 98225107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70140625 + 11664 = 8375^2 + 108^2 .

It is a cyclic number.

It is not a de Polignac number, because 70152289 - 2³ = 70152281 is a prime.

It is not a weakly prime, because it can be changed into another prime (70152281) 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, 35076144 + 35076145.

It is an arithmetic number, because the mean of its divisors is an integer number (35076145).

Almost surely, 2^70152289 is an apocalyptic number.

It is an amenable number.

70152289 is a deficient number, since it is larger than the sum of its proper divisors (1).

70152289 is an equidigital number, since it uses as much as digits as its factorization.

70152289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 70152289 is about 8375.6963292612. The cubic root of 70152289 is about 412.4271832288.

The spelling of 70152289 in words is "seventy million, one hundred fifty-two thousand, two hundred eighty-nine".