495564321 has 8 divisors (see below), whose sum is σ = 755145664. Its totient is φ = 283179600.

The previous prime is 495564319. The next prime is 495564343. The reversal of 495564321 is 123465594.

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

It is not a de Polignac number, because 495564321 - 2¹ = 495564319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495564321.

It is not an unprimeable number, because it can be changed into a prime (495564301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11799130 + ... + 11799171.

It is an arithmetic number, because the mean of its divisors is an integer number (94393208).

Almost surely, 2^495564321 is an apocalyptic number.

It is an amenable number.

495564321 is a deficient number, since it is larger than the sum of its proper divisors (259581343).

495564321 is a wasteful number, since it uses less digits than its factorization.

495564321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23598311.

The product of its digits is 129600, while the sum is 39.

The square root of 495564321 is about 22261.2740201454. The cubic root of 495564321 is about 791.3464838457.

The spelling of 495564321 in words is "four hundred ninety-five million, five hundred sixty-four thousand, three hundred twenty-one".