494503425 has 72 divisors (see below), whose sum is σ = 958756344. Its totient is φ = 242196480.

The previous prime is 494503421. The next prime is 494503439. The reversal of 494503425 is 524305494.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 5253264 + 489250161 = 2292^2 + 22119^2 .

It is not a de Polignac number, because 494503425 - 2² = 494503421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494503425.

It is not an unprimeable number, because it can be changed into a prime (494503421) 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, 856737 + ... + 857313.

Almost surely, 2^494503425 is an apocalyptic number.

494503425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494503425 is a deficient number, since it is larger than the sum of its proper divisors (464252919).

494503425 is a wasteful number, since it uses less digits than its factorization.

494503425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 494503425 is about 22237.4329678585. The cubic root of 494503425 is about 790.7813798584.

The spelling of 494503425 in words is "four hundred ninety-four million, five hundred three thousand, four hundred twenty-five".