700664137 has 2 divisors, whose sum is σ = 700664138. Its totient is φ = 700664136.

The previous prime is 700664131. The next prime is 700664143. The reversal of 700664137 is 731466007.

It is a balanced prime because it is at equal distance from previous prime (700664131) and next prime (700664143).

It can be written as a sum of positive squares in only one way, i.e., 673091136 + 27573001 = 25944^2 + 5251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700664137 is a prime.

It is not a weakly prime, because it can be changed into another prime (700664131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350332068 + 350332069.

It is an arithmetic number, because the mean of its divisors is an integer number (350332069).

Almost surely, 2^700664137 is an apocalyptic number.

It is an amenable number.

700664137 is a deficient number, since it is larger than the sum of its proper divisors (1).

700664137 is an equidigital number, since it uses as much as digits as its factorization.

700664137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 700664137 is about 26470.0611446215. The cubic root of 700664137 is about 888.1847176976.

The spelling of 700664137 in words is "seven hundred million, six hundred sixty-four thousand, one hundred thirty-seven".