495331001 has 8 divisors (see below), whose sum is σ = 541317600. Its totient is φ = 449503840.

The previous prime is 495330977. The next prime is 495331009. The reversal of 495331001 is 100133594.

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

It is a cyclic number.

It is not a de Polignac number, because 495331001 - 2⁶ = 495330937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495331009) 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, 33311 + ... + 45828.

It is an arithmetic number, because the mean of its divisors is an integer number (67664700).

Almost surely, 2^495331001 is an apocalyptic number.

It is an amenable number.

495331001 is a deficient number, since it is larger than the sum of its proper divisors (45986599).

495331001 is a wasteful number, since it uses less digits than its factorization.

495331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79719.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 495331001 is about 22256.0329124487. The cubic root of 495331001 is about 791.2222712810. Note that the first 4 decimals are identical.

Adding to 495331001 its reverse (100133594), we get a palindrome (595464595).

The spelling of 495331001 in words is "four hundred ninety-five million, three hundred thirty-one thousand, one".