706231549 has 2 divisors, whose sum is σ = 706231550. Its totient is φ = 706231548.

The previous prime is 706231531. The next prime is 706231607. The reversal of 706231549 is 945132607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682776900 + 23454649 = 26130^2 + 4843^2 .

It is a cyclic number.

It is not a de Polignac number, because 706231549 - 2⁵ = 706231517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706231529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353115774 + 353115775.

It is an arithmetic number, because the mean of its divisors is an integer number (353115775).

Almost surely, 2^706231549 is an apocalyptic number.

It is an amenable number.

706231549 is a deficient number, since it is larger than the sum of its proper divisors (1).

706231549 is an equidigital number, since it uses as much as digits as its factorization.

706231549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 706231549 is about 26575.0173847544. The cubic root of 706231549 is about 890.5309918939.

The spelling of 706231549 in words is "seven hundred six million, two hundred thirty-one thousand, five hundred forty-nine".