626302231 has 2 divisors, whose sum is σ = 626302232. Its totient is φ = 626302230.

The previous prime is 626302199. The next prime is 626302273. The reversal of 626302231 is 132203626.

It is a happy number.

626302231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626302231 - 2⁵ = 626302199 is a prime.

It is a super-2 number, since 2×626302231² = 784508969111154722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 626302196 and 626302205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626302291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313151115 + 313151116.

It is an arithmetic number, because the mean of its divisors is an integer number (313151116).

Almost surely, 2^626302231 is an apocalyptic number.

626302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

626302231 is an equidigital number, since it uses as much as digits as its factorization.

626302231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 626302231 is about 25026.0310676703. The cubic root of 626302231 is about 855.5813703842.

Adding to 626302231 its reverse (132203626), we get a palindrome (758505857).

The spelling of 626302231 in words is "six hundred twenty-six million, three hundred two thousand, two hundred thirty-one".