632513200625 has 20 divisors (see below), whose sum is σ = 793086296772. Its totient is φ = 504283416000.

The previous prime is 632513200621. The next prime is 632513200651. The reversal of 632513200625 is 526002315236.

It can be written as a sum of positive squares in 10 ways, for example, as 273579210304 + 358933990321 = 523048^2 + 599111^2 .

It is not a de Polignac number, because 632513200625 - 2² = 632513200621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (632513200621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1543874 + ... + 1910123.

Almost surely, 2^632513200625 is an apocalyptic number.

It is an amenable number.

632513200625 is a deficient number, since it is larger than the sum of its proper divisors (160573096147).

632513200625 is an equidigital number, since it uses as much as digits as its factorization.

632513200625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454310 (or 3454295 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 632513200625 in words is "six hundred thirty-two billion, five hundred thirteen million, two hundred thousand, six hundred twenty-five".