312300225 has 24 divisors (see below), whose sum is σ = 573708320. Its totient is φ = 166559760.

The previous prime is 312300211. The next prime is 312300229. The reversal of 312300225 is 522003213.

It is not a de Polignac number, because 312300225 - 2⁸ = 312299969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312300198 and 312300207.

It is not an unprimeable number, because it can be changed into a prime (312300229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230659 + ... + 232008.

Almost surely, 2^312300225 is an apocalyptic number.

It is an amenable number.

312300225 is a deficient number, since it is larger than the sum of its proper divisors (261408095).

312300225 is a wasteful number, since it uses less digits than its factorization.

312300225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462686 (or 462675 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 312300225 is about 17672.0181360251. The cubic root of 312300225 is about 678.4597672487.

Adding to 312300225 its reverse (522003213), we get a palindrome (834303438).

The spelling of 312300225 in words is "three hundred twelve million, three hundred thousand, two hundred twenty-five".