700165121 has 2 divisors, whose sum is σ = 700165122. Its totient is φ = 700165120.

The previous prime is 700165117. The next prime is 700165177. The reversal of 700165121 is 121561007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580569025 + 119596096 = 24095^2 + 10936^2 .

It is an emirp because it is prime and its reverse (121561007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 700165121 - 2² = 700165117 is a prime.

It is equal to p_36261023 and since 700165121 and 36261023 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (700165021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350082560 + 350082561.

It is an arithmetic number, because the mean of its divisors is an integer number (350082561).

Almost surely, 2^700165121 is an apocalyptic number.

It is an amenable number.

700165121 is a deficient number, since it is larger than the sum of its proper divisors (1).

700165121 is an equidigital number, since it uses as much as digits as its factorization.

700165121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 700165121 is about 26460.6334202339. The cubic root of 700165121 is about 887.9738112999.

The spelling of 700165121 in words is "seven hundred million, one hundred sixty-five thousand, one hundred twenty-one".