630264605 has 8 divisors (see below), whose sum is σ = 770587992. Its totient is φ = 494698048.

The previous prime is 630264589. The next prime is 630264611. The reversal of 630264605 is 506462036.

It can be written as a sum of positive squares in 4 ways, for example, as 39677401 + 590587204 = 6299^2 + 24302^2 .

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 630264605 - 2⁴ = 630264589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188914 + ... + 1189443.

It is an arithmetic number, because the mean of its divisors is an integer number (96323499).

Almost surely, 2^630264605 is an apocalyptic number.

It is an amenable number.

630264605 is a deficient number, since it is larger than the sum of its proper divisors (140323387).

630264605 is a wasteful number, since it uses less digits than its factorization.

630264605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378415.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 630264605 is about 25105.0713004365. The cubic root of 630264605 is about 857.3818903645.

It can be divided in two parts, 6302 and 64605, that added together give a palindrome (70907).

The spelling of 630264605 in words is "six hundred thirty million, two hundred sixty-four thousand, six hundred five".