700156081 has 2 divisors, whose sum is σ = 700156082. Its totient is φ = 700156080.

The previous prime is 700156031. The next prime is 700156103. The reversal of 700156081 is 180651007.

It is a happy number.

700156081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685601856 + 14554225 = 26184^2 + 3815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700156081 is a prime.

It is a super-2 number, since 2×700156081² = 980437075522557122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (700156001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350078040 + 350078041.

It is an arithmetic number, because the mean of its divisors is an integer number (350078041).

Almost surely, 2^700156081 is an apocalyptic number.

It is an amenable number.

700156081 is a deficient number, since it is larger than the sum of its proper divisors (1).

700156081 is an equidigital number, since it uses as much as digits as its factorization.

700156081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 700156081 is about 26460.4625998866. The cubic root of 700156081 is about 887.9699896691.

The spelling of 700156081 in words is "seven hundred million, one hundred fifty-six thousand, eighty-one".