495988249 has 2 divisors, whose sum is σ = 495988250. Its totient is φ = 495988248.

The previous prime is 495988237. The next prime is 495988289. The reversal of 495988249 is 942889594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348195600 + 147792649 = 18660^2 + 12157^2 .

It is a cyclic number.

It is not a de Polignac number, because 495988249 - 2¹⁹ = 495463961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 495988193 and 495988202.

It is not a weakly prime, because it can be changed into another prime (495988289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247994124 + 247994125.

It is an arithmetic number, because the mean of its divisors is an integer number (247994125).

Almost surely, 2^495988249 is an apocalyptic number.

It is an amenable number.

495988249 is a deficient number, since it is larger than the sum of its proper divisors (1).

495988249 is an equidigital number, since it uses as much as digits as its factorization.

495988249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 58.

The square root of 495988249 is about 22270.7936320195. The cubic root of 495988249 is about 791.5720706523.

The spelling of 495988249 in words is "four hundred ninety-five million, nine hundred eighty-eight thousand, two hundred forty-nine".