499025321 has 4 divisors (see below), whose sum is σ = 515122944. Its totient is φ = 482927700.

The previous prime is 499025311. The next prime is 499025333. The reversal of 499025321 is 123520994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499025321 - 2⁶ = 499025257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499025311) 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 3 ways as a sum of consecutive naturals, for example, 8048765 + ... + 8048826.

It is an arithmetic number, because the mean of its divisors is an integer number (128780736).

Almost surely, 2^499025321 is an apocalyptic number.

It is an amenable number.

499025321 is a deficient number, since it is larger than the sum of its proper divisors (16097623).

499025321 is a wasteful number, since it uses less digits than its factorization.

499025321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097622.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 499025321 is about 22338.8746583171. The cubic root of 499025321 is about 793.1844550130.

The spelling of 499025321 in words is "four hundred ninety-nine million, twenty-five thousand, three hundred twenty-one".