494631571 has 8 divisors (see below), whose sum is σ = 565785344. Its totient is φ = 423600840.

The previous prime is 494631559. The next prime is 494631581. The reversal of 494631571 is 175136494.

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 494631571 - 2¹⁵ = 494598803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494631521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21975 + ... + 38368.

It is an arithmetic number, because the mean of its divisors is an integer number (70723168).

Almost surely, 2^494631571 is an apocalyptic number.

494631571 is a deficient number, since it is larger than the sum of its proper divisors (71153773).

494631571 is a wasteful number, since it uses less digits than its factorization.

494631571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61521.

The product of its digits is 90720, while the sum is 40.

The square root of 494631571 is about 22240.3140940051. The cubic root of 494631571 is about 790.8496818582.

The spelling of 494631571 in words is "four hundred ninety-four million, six hundred thirty-one thousand, five hundred seventy-one".