492531229 has 4 divisors (see below), whose sum is σ = 493993084. Its totient is φ = 491069376.

The previous prime is 492531217. The next prime is 492531253. The reversal of 492531229 is 922135294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922135294 = 2 ⋅461067647.

It can be written as a sum of positive squares in 2 ways, for example, as 206583129 + 285948100 = 14373^2 + 16910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492531229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492531829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730422 + ... + 731095.

It is an arithmetic number, because the mean of its divisors is an integer number (123498271).

Almost surely, 2^492531229 is an apocalyptic number.

It is an amenable number.

492531229 is a deficient number, since it is larger than the sum of its proper divisors (1461855).

492531229 is a wasteful number, since it uses less digits than its factorization.

492531229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461854.

The product of its digits is 38880, while the sum is 37.

The square root of 492531229 is about 22193.0446086156. The cubic root of 492531229 is about 789.7287051145.

The spelling of 492531229 in words is "four hundred ninety-two million, five hundred thirty-one thousand, two hundred twenty-nine".