633751327225 has 27 divisors (see below), whose sum is σ = 793430744743. Its totient is φ = 502157680640.

The previous prime is 633751327217. The next prime is 633751327241. The reversal of 633751327225 is 522723157336.

The square root of 633751327225 is 796085.

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

It can be written as a sum of positive squares in 13 ways, for example, as 382513799529 + 251237527696 = 618477^2 + 501236^2 .

It is not a de Polignac number, because 633751327225 - 2³ = 633751327217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 449787321 + ... + 449788729.

Almost surely, 2^633751327225 is an apocalyptic number.

633751327225 is the 796085-th square number.

633751327225 is the 398043-rd centered octagonal number.

It is an amenable number.

633751327225 is a deficient number, since it is larger than the sum of its proper divisors (159679417518).

633751327225 is an frugal number, since it uses more digits than its factorization.

633751327225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 1527 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 46.

The spelling of 633751327225 in words is "six hundred thirty-three billion, seven hundred fifty-one million, three hundred twenty-seven thousand, two hundred twenty-five".