495134221 has 8 divisors (see below), whose sum is σ = 502993280. Its totient is φ = 487289088.

The previous prime is 495134209. The next prime is 495134239. The reversal of 495134221 is 122431594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495134221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495134251) 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 7 ways as a sum of consecutive naturals, for example, 86125 + ... + 91693.

It is an arithmetic number, because the mean of its divisors is an integer number (62874160).

Almost surely, 2^495134221 is an apocalyptic number.

It is an amenable number.

495134221 is a deficient number, since it is larger than the sum of its proper divisors (7859059).

495134221 is a wasteful number, since it uses less digits than its factorization.

495134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963.

The product of its digits is 8640, while the sum is 31.

The square root of 495134221 is about 22251.6116494963. The cubic root of 495134221 is about 791.1174811907.

The spelling of 495134221 in words is "four hundred ninety-five million, one hundred thirty-four thousand, two hundred twenty-one".