626144241 has 8 divisors (see below), whose sum is σ = 834983424. Its totient is φ = 417367280.

The previous prime is 626144227. The next prime is 626144273. The reversal of 626144241 is 142441626.

It is a happy number.

626144241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 626144241 - 2⁶ = 626144177 is a prime.

It is a super-2 number, since 2×626144241² = 784113221074932162, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 626144199 and 626144208.

It is not an unprimeable number, because it can be changed into a prime (626144291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18715 + ... + 40031.

It is an arithmetic number, because the mean of its divisors is an integer number (104372928).

Almost surely, 2^626144241 is an apocalyptic number.

It is an amenable number.

626144241 is a deficient number, since it is larger than the sum of its proper divisors (208839183).

626144241 is a wasteful number, since it uses less digits than its factorization.

626144241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31111.

The product of its digits is 9216, while the sum is 30.

The square root of 626144241 is about 25022.8743552774. The cubic root of 626144241 is about 855.5094218042.

Adding to 626144241 its reverse (142441626), we get a palindrome (768585867).

The spelling of 626144241 in words is "six hundred twenty-six million, one hundred forty-four thousand, two hundred forty-one".