912449825 has 72 divisors (see below), whose sum is σ = 1399464000. Its totient is φ = 586776960.

The previous prime is 912449821. The next prime is 912449831. The reversal of 912449825 is 528944219.

It is not a de Polignac number, because 912449825 - 2² = 912449821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (912449821) 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 71 ways as a sum of consecutive naturals, for example, 4585076 + ... + 4585274.

It is an arithmetic number, because the mean of its divisors is an integer number (19437000).

Almost surely, 2^912449825 is an apocalyptic number.

912449825 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

912449825 is a deficient number, since it is larger than the sum of its proper divisors (487014175).

912449825 is a wasteful number, since it uses less digits than its factorization.

912449825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 427 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 912449825 is about 30206.7844200603. The cubic root of 912449825 is about 969.9209291836.

The spelling of 912449825 in words is "nine hundred twelve million, four hundred forty-nine thousand, eight hundred twenty-five".