701217409 has 2 divisors, whose sum is σ = 701217410. Its totient is φ = 701217408.

The previous prime is 701217403. The next prime is 701217457. The reversal of 701217409 is 904712107.

701217409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523128384 + 178089025 = 22872^2 + 13345^2 .

It is a cyclic number.

It is not a de Polignac number, because 701217409 - 2¹⁵ = 701184641 is a prime.

It is not a weakly prime, because it can be changed into another prime (701217403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350608704 + 350608705.

It is an arithmetic number, because the mean of its divisors is an integer number (350608705).

Almost surely, 2^701217409 is an apocalyptic number.

It is an amenable number.

701217409 is a deficient number, since it is larger than the sum of its proper divisors (1).

701217409 is an equidigital number, since it uses as much as digits as its factorization.

701217409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 701217409 is about 26480.5099837598. The cubic root of 701217409 is about 888.4184380689.

The spelling of 701217409 in words is "seven hundred one million, two hundred seventeen thousand, four hundred nine".