700623137 has 2 divisors, whose sum is σ = 700623138. Its totient is φ = 700623136.

The previous prime is 700623097. The next prime is 700623139. The reversal of 700623137 is 731326007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700343296 + 279841 = 26464^2 + 529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700623137 is a prime.

Together with 700623139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (700623139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350311568 + 350311569.

It is an arithmetic number, because the mean of its divisors is an integer number (350311569).

Almost surely, 2^700623137 is an apocalyptic number.

It is an amenable number.

700623137 is a deficient number, since it is larger than the sum of its proper divisors (1).

700623137 is an equidigital number, since it uses as much as digits as its factorization.

700623137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 700623137 is about 26469.2866734259. The cubic root of 700623137 is about 888.1673930471.

The spelling of 700623137 in words is "seven hundred million, six hundred twenty-three thousand, one hundred thirty-seven".