706312049 has 2 divisors, whose sum is σ = 706312050. Its totient is φ = 706312048.

The previous prime is 706312031. The next prime is 706312111. The reversal of 706312049 is 940213607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704371600 + 1940449 = 26540^2 + 1393^2 .

It is an emirp because it is prime and its reverse (940213607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706312049 - 2²⁰ = 705263473 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (706312349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353156024 + 353156025.

It is an arithmetic number, because the mean of its divisors is an integer number (353156025).

Almost surely, 2^706312049 is an apocalyptic number.

It is an amenable number.

706312049 is a deficient number, since it is larger than the sum of its proper divisors (1).

706312049 is an equidigital number, since it uses as much as digits as its factorization.

706312049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 706312049 is about 26576.5319219796. The cubic root of 706312049 is about 890.5648264161.

The spelling of 706312049 in words is "seven hundred six million, three hundred twelve thousand, forty-nine".