492938249 has 2 divisors, whose sum is σ = 492938250. Its totient is φ = 492938248.

The previous prime is 492938227. The next prime is 492938263. The reversal of 492938249 is 942839294.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455054224 + 37884025 = 21332^2 + 6155^2 .

It is a cyclic number.

It is not a de Polignac number, because 492938249 - 2⁸ = 492937993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 492938197 and 492938206.

It is not a weakly prime, because it can be changed into another prime (492938269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246469124 + 246469125.

It is an arithmetic number, because the mean of its divisors is an integer number (246469125).

Almost surely, 2^492938249 is an apocalyptic number.

It is an amenable number.

492938249 is a deficient number, since it is larger than the sum of its proper divisors (1).

492938249 is an equidigital number, since it uses as much as digits as its factorization.

492938249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 492938249 is about 22202.2127050436. The cubic root of 492938249 is about 789.9461849792.

The spelling of 492938249 in words is "four hundred ninety-two million, nine hundred thirty-eight thousand, two hundred forty-nine".