700542109 has 2 divisors, whose sum is σ = 700542110. Its totient is φ = 700542108.

The previous prime is 700542079. The next prime is 700542149. The reversal of 700542109 is 901245007.

It is a happy number.

700542109 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., 654234084 + 46308025 = 25578^2 + 6805^2 .

It is a cyclic number.

It is not a de Polignac number, because 700542109 - 2⁵ = 700542077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700542149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350271054 + 350271055.

It is an arithmetic number, because the mean of its divisors is an integer number (350271055).

Almost surely, 2^700542109 is an apocalyptic number.

It is an amenable number.

700542109 is a deficient number, since it is larger than the sum of its proper divisors (1).

700542109 is an equidigital number, since it uses as much as digits as its factorization.

700542109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 700542109 is about 26467.7560250203. The cubic root of 700542109 is about 888.1331524794.

The spelling of 700542109 in words is "seven hundred million, five hundred forty-two thousand, one hundred nine".