244991425 has 36 divisors (see below), whose sum is σ = 361683696. Its totient is φ = 164052000.

The previous prime is 244991407. The next prime is 244991473. The reversal of 244991425 is 524199442.

It is not a de Polignac number, because 244991425 - 2⁷ = 244991297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 50350 + ... + 55000.

Almost surely, 2^244991425 is an apocalyptic number.

244991425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244991425 is a deficient number, since it is larger than the sum of its proper divisors (116692271).

244991425 is a wasteful number, since it uses less digits than its factorization.

244991425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4706 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 244991425 is about 15652.2019217745. The cubic root of 244991425 is about 625.7251742702.

The spelling of 244991425 in words is "two hundred forty-four million, nine hundred ninety-one thousand, four hundred twenty-five".