495421305 has 32 divisors (see below), whose sum is σ = 815940864. Its totient is φ = 256502016.

The previous prime is 495421301. The next prime is 495421309. The reversal of 495421305 is 503124594.

It is an interprime number because it is at equal distance from previous prime (495421301) and next prime (495421309).

It is not a de Polignac number, because 495421305 - 2² = 495421301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495421301) 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 31 ways as a sum of consecutive naturals, for example, 361732 + ... + 363098.

It is an arithmetic number, because the mean of its divisors is an integer number (25498152).

Almost surely, 2^495421305 is an apocalyptic number.

It is an amenable number.

495421305 is a deficient number, since it is larger than the sum of its proper divisors (320519559).

495421305 is a wasteful number, since it uses less digits than its factorization.

495421305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 495421305 is about 22258.0615732817. The cubic root of 495421305 is about 791.2703510460.

Adding to 495421305 its reverse (503124594), we get a palindrome (998545899).

The spelling of 495421305 in words is "four hundred ninety-five million, four hundred twenty-one thousand, three hundred five".