303630625 has 45 divisors (see below), whose sum is σ = 413118541. Its totient is φ = 223040000.

The previous prime is 303630601. The next prime is 303630631. The reversal of 303630625 is 526036303.

The square root of 303630625 is 17425.

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

It can be written as a sum of positive squares in 22 ways, for example, as 220017889 + 83612736 = 14833^2 + 9144^2 .

It is not a de Polignac number, because 303630625 - 2⁹ = 303630113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303630593 and 303630602.

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, 7405605 + ... + 7405645.

Almost surely, 2^303630625 is an apocalyptic number.

303630625 is the 17425-th square number.

303630625 is the 8713-rd centered octagonal number.

It is an amenable number.

303630625 is a deficient number, since it is larger than the sum of its proper divisors (109487916).

303630625 is an frugal number, since it uses more digits than its factorization.

303630625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

The cubic root of 303630625 is about 672.1226399196.

Adding to 303630625 its reverse (526036303), we get a palindrome (829666928).

The spelling of 303630625 in words is "three hundred three million, six hundred thirty thousand, six hundred twenty-five".