700551 has 6 divisors (see below), whose sum is σ = 1011920. Its totient is φ = 467028.

The previous prime is 700537. The next prime is 700561. The reversal of 700551 is 155007.

It is a happy number.

It is not a de Polignac number, because 700551 - 2⁷ = 700423 is a prime.

It is a Duffinian number.

700551 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38911 + ... + 38928.

2⁷⁰⁰⁵⁵¹ is an apocalyptic number.

700551 is a deficient number, since it is larger than the sum of its proper divisors (311369).

700551 is a wasteful number, since it uses less digits than its factorization.

700551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77845 (or 77842 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 700551 is about 836.9892472428. The cubic root of 700551 is about 88.8136909740.

Adding to 700551 its sum of digits (18), we get a square (700569 = 837²).

Adding to 700551 its reverse (155007), we get a palindrome (855558).

It can be divided in two parts, 7005 and 51, that added together give a square (7056 = 84²).

The spelling of 700551 in words is "seven hundred thousand, five hundred fifty-one".