1323050249 has 2 divisors, whose sum is σ = 1323050250. Its totient is φ = 1323050248.

The previous prime is 1323050243. The next prime is 1323050257. The reversal of 1323050249 is 9420503231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1321686025 + 1364224 = 36355^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323050249 - 2⁸ = 1323049993 is a prime.

It is a super-2 number, since 2×1323050249² = 3500923922757924002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323050243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661525124 + 661525125.

It is an arithmetic number, because the mean of its divisors is an integer number (661525125).

Almost surely, 2^1323050249 is an apocalyptic number.

It is an amenable number.

1323050249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323050249 is an equidigital number, since it uses as much as digits as its factorization.

1323050249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1323050249 is about 36373.7576969991. The cubic root of 1323050249 is about 1097.8056112778.

The spelling of 1323050249 in words is "one billion, three hundred twenty-three million, fifty thousand, two hundred forty-nine".