494172825 has 24 divisors (see below), whose sum is σ = 852558528. Its totient is φ = 252098880.

The previous prime is 494172799. The next prime is 494172827. The reversal of 494172825 is 528271494.

It is not a de Polignac number, because 494172825 - 2⁹ = 494172313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494172827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141514 + ... + 144963.

It is an arithmetic number, because the mean of its divisors is an integer number (35523272).

Almost surely, 2^494172825 is an apocalyptic number.

It is an amenable number.

494172825 is a deficient number, since it is larger than the sum of its proper divisors (358385703).

494172825 is a wasteful number, since it uses less digits than its factorization.

494172825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286513 (or 286508 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 494172825 is about 22229.9983130904. The cubic root of 494172825 is about 790.6051150826.

The spelling of 494172825 in words is "four hundred ninety-four million, one hundred seventy-two thousand, eight hundred twenty-five".