633780625 has 45 divisors (see below), whose sum is σ = 851917143. Its totient is φ = 471276000.

The previous prime is 633780619. The next prime is 633780643. The reversal of 633780625 is 526087336.

The square root of 633780625 is 25175.

It is a perfect power (a square), and thus also a powerful number.

633780625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 351675009 + 282105616 = 18753^2 + 16796^2 .

It is not a de Polignac number, because 633780625 - 2¹⁷ = 633649553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 11958099 + ... + 11958151.

Almost surely, 2^633780625 is an apocalyptic number.

633780625 is the 25175-th square number.

633780625 is the 12588-th centered octagonal number.

It is an amenable number.

633780625 is a deficient number, since it is larger than the sum of its proper divisors (218136518).

633780625 is an frugal number, since it uses more digits than its factorization.

633780625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The cubic root of 633780625 is about 858.9732767026.

The spelling of 633780625 in words is "six hundred thirty-three million, seven hundred eighty thousand, six hundred twenty-five".