312444025 has 6 divisors (see below), whose sum is σ = 387430622. Its totient is φ = 249955200.

The previous prime is 312444001. The next prime is 312444043. The reversal of 312444025 is 520444213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 29800681 + 282643344 = 5459^2 + 16812^2 .

It is not a de Polignac number, because 312444025 - 2⁵ = 312443993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 12497761 = 312444025 / (3 + 1 + 2 + 4 + 4 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6248856 + ... + 6248905.

Almost surely, 2^312444025 is an apocalyptic number.

It is an amenable number.

312444025 is a deficient number, since it is larger than the sum of its proper divisors (74986597).

312444025 is a wasteful number, since it uses less digits than its factorization.

312444025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12497771 (or 12497766 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 312444025 is about 17676.0862466780. The cubic root of 312444025 is about 678.5638845224.

Adding to 312444025 its reverse (520444213), we get a palindrome (832888238).

The spelling of 312444025 in words is "three hundred twelve million, four hundred forty-four thousand, twenty-five".