700651 has 12 divisors (see below), whose sum is σ = 829920. Its totient is φ = 589680.

The previous prime is 700643. The next prime is 700673. The reversal of 700651 is 156007.

It is not a de Polignac number, because 700651 - 2³ = 700643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (700681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3781 + ... + 3961.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

2⁷⁰⁰⁶⁵¹ is an apocalyptic number.

700651 is a deficient number, since it is larger than the sum of its proper divisors (129269).

700651 is a wasteful number, since it uses less digits than its factorization.

700651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 700651 is about 837.0489830350. The cubic root of 700651 is about 88.8179166700.

Adding to 700651 its reverse (156007), we get a palindrome (856658).

Subtracting from 700651 its reverse (156007), we obtain a square (544644 = 738²).

The spelling of 700651 in words is "seven hundred thousand, six hundred fifty-one".