993547249 has 2 divisors, whose sum is σ = 993547250. Its totient is φ = 993547248.

The previous prime is 993547223. The next prime is 993547253. The reversal of 993547249 is 942745399.

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., 903904225 + 89643024 = 30065^2 + 9468^2 .

It is a cyclic number.

It is not a de Polignac number, because 993547249 - 2²⁷ = 859329521 is a prime.

It is a super-2 number, since 2×993547249² = 1974272271990936002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 993547196 and 993547205.

It is not a weakly prime, because it can be changed into another prime (993547549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496773624 + 496773625.

It is an arithmetic number, because the mean of its divisors is an integer number (496773625).

Almost surely, 2^993547249 is an apocalyptic number.

It is an amenable number.

993547249 is a deficient number, since it is larger than the sum of its proper divisors (1).

993547249 is an equidigital number, since it uses as much as digits as its factorization.

993547249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The square root of 993547249 is about 31520.5845282095. The cubic root of 993547249 is about 997.8444398992.

The spelling of 993547249 in words is "nine hundred ninety-three million, five hundred forty-seven thousand, two hundred forty-nine".