630826255 has 4 divisors (see below), whose sum is σ = 756991512. Its totient is φ = 504661000.

The previous prime is 630826253. The next prime is 630826271. The reversal of 630826255 is 552628036.

It is a happy number.

630826255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 630826255 - 2¹ = 630826253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630826253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63082621 + ... + 63082630.

It is an arithmetic number, because the mean of its divisors is an integer number (189247878).

Almost surely, 2^630826255 is an apocalyptic number.

630826255 is a deficient number, since it is larger than the sum of its proper divisors (126165257).

630826255 is a wasteful number, since it uses less digits than its factorization.

630826255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126165256.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 630826255 is about 25116.2547964461. The cubic root of 630826255 is about 857.6364953692.

The spelling of 630826255 in words is "six hundred thirty million, eight hundred twenty-six thousand, two hundred fifty-five".