495331791 has 8 divisors (see below), whose sum is σ = 669489840. Its totient is φ = 325697472.

The previous prime is 495331757. The next prime is 495331801. The reversal of 495331791 is 197133594.

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

It is not a de Polignac number, because 495331791 - 2¹⁴ = 495315407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495331741) 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, 1130676 + ... + 1131113.

It is an arithmetic number, because the mean of its divisors is an integer number (83686230).

Almost surely, 2^495331791 is an apocalyptic number.

495331791 is a deficient number, since it is larger than the sum of its proper divisors (174158049).

495331791 is a wasteful number, since it uses less digits than its factorization.

495331791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261865.

The product of its digits is 102060, while the sum is 42.

The square root of 495331791 is about 22256.0506604384. The cubic root of 495331791 is about 791.2226919191. Note that the first 3 decimals are identical.

The spelling of 495331791 in words is "four hundred ninety-five million, three hundred thirty-one thousand, seven hundred ninety-one".