700109 has 2 divisors, whose sum is σ = 700110. Its totient is φ = 700108.

The previous prime is 700103. The next prime is 700127. The reversal of 700109 is 901007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 334084 = 605^2 + 578^2 .

It is an emirp because it is prime and its reverse (901007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 700109 - 2¹⁶ = 634573 is a prime.

It is a super-2 number, since 2×700109² = 980305223762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 700109.

It is not a weakly prime, because it can be changed into another prime (700103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350054 + 350055.

It is an arithmetic number, because the mean of its divisors is an integer number (350055).

2⁷⁰⁰¹⁰⁹ is an apocalyptic number.

It is an amenable number.

700109 is a deficient number, since it is larger than the sum of its proper divisors (1).

700109 is an equidigital number, since it uses as much as digits as its factorization.

700109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 700109 is about 836.7251639577. The cubic root of 700109 is about 88.7950085797.

The spelling of 700109 in words is "seven hundred thousand, one hundred nine".