706225439 has 2 divisors, whose sum is σ = 706225440. Its totient is φ = 706225438.

The previous prime is 706225417. The next prime is 706225453. The reversal of 706225439 is 934522607.

It is a strong prime.

It is an emirp because it is prime and its reverse (934522607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706225439 - 2²⁸ = 437789983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706225489) 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, 353112719 + 353112720.

It is an arithmetic number, because the mean of its divisors is an integer number (353112720).

Almost surely, 2^706225439 is an apocalyptic number.

706225439 is a deficient number, since it is larger than the sum of its proper divisors (1).

706225439 is an equidigital number, since it uses as much as digits as its factorization.

706225439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 706225439 is about 26574.9024269140. The cubic root of 706225439 is about 890.5284237276.

The spelling of 706225439 in words is "seven hundred six million, two hundred twenty-five thousand, four hundred thirty-nine".