633607915225 has 12 divisors (see below), whose sum is σ = 800497850796. Its totient is φ = 497322438080.

The previous prime is 633607915223. The next prime is 633607915249. The reversal of 633607915225 is 522519706336.

It can be written as a sum of positive squares in 6 ways, for example, as 5164865689 + 628443049536 = 71867^2 + 792744^2 .

It is not a de Polignac number, because 633607915225 - 2¹ = 633607915223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633607915223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239096002 + ... + 239098651.

It is an arithmetic number, because the mean of its divisors is an integer number (66708154233).

Almost surely, 2^633607915225 is an apocalyptic number.

It is an amenable number.

633607915225 is a deficient number, since it is larger than the sum of its proper divisors (166889935571).

633607915225 is a wasteful number, since it uses less digits than its factorization.

633607915225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478194716 (or 478194711 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 633607915225 in words is "six hundred thirty-three billion, six hundred seven million, nine hundred fifteen thousand, two hundred twenty-five".