630002500 has 30 divisors (see below), whose sum is σ = 1377694934. Its totient is φ = 252000000.

The previous prime is 630002497. The next prime is 630002501. The reversal of 630002500 is 5200036.

It can be written as a sum of positive squares in 5 ways, for example, as 258823744 + 371178756 = 16088^2 + 19266^2 .

It is not an unprimeable number, because it can be changed into a prime (630002501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123501 + ... + 128500.

Almost surely, 2^630002500 is an apocalyptic number.

It is an amenable number.

630002500 is an abundant number, since it is smaller than the sum of its proper divisors (747692434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630002500 is a wasteful number, since it uses less digits than its factorization.

630002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252025 (or 252008 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 630002500 is about 25099.8505971649. The cubic root of 630002500 is about 857.2630221741.

Adding to 630002500 its reverse (5200036), we get a palindrome (635202536).

The spelling of 630002500 in words is "six hundred thirty million, two thousand, five hundred".