626361 has 4 divisors (see below), whose sum is σ = 835152. Its totient is φ = 417572.

The previous prime is 626347. The next prime is 626363. The reversal of 626361 is 163626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 626361 - 2¹¹ = 624313 is a prime.

It is a D-number.

626361 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 626361.

It is not an unprimeable number, because it can be changed into a prime (626363) 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 3 ways as a sum of consecutive naturals, for example, 104391 + ... + 104396.

It is an arithmetic number, because the mean of its divisors is an integer number (208788).

2⁶²⁶³⁶¹ is an apocalyptic number.

It is an amenable number.

626361 is a deficient number, since it is larger than the sum of its proper divisors (208791).

626361 is a wasteful number, since it uses less digits than its factorization.

626361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208790.

The product of its digits is 1296, while the sum is 24.

The square root of 626361 is about 791.4297189265. The cubic root of 626361 is about 85.5608130675.

Adding to 626361 its reverse (163626), we get a palindrome (789987).

The spelling of 626361 in words is "six hundred twenty-six thousand, three hundred sixty-one".