700813 has 4 divisors (see below), whose sum is σ = 717948. Its totient is φ = 683680.

The previous prime is 700811. The next prime is 700831. The reversal of 700813 is 318007.

700813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178084 + 522729 = 422^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 700813 - 2¹ = 700811 is a prime.

It is a super-2 number, since 2×700813² = 982277721938, which contains 22 as substring.

It is a Duffinian number.

700813 is a modest number, since divided by 813 gives 7 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8506 + ... + 8587.

It is an arithmetic number, because the mean of its divisors is an integer number (179487).

2⁷⁰⁰⁸¹³ is an apocalyptic number.

It is an amenable number.

700813 is a deficient number, since it is larger than the sum of its proper divisors (17135).

700813 is a wasteful number, since it uses less digits than its factorization.

700813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 700813 is about 837.1457459726. The cubic root of 700813 is about 88.8247614442.

It can be divided in two parts, 7008 and 13, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 700813 in words is "seven hundred thousand, eight hundred thirteen".