611326249 has 2 divisors, whose sum is σ = 611326250. Its totient is φ = 611326248.

The previous prime is 611326241. The next prime is 611326319. The reversal of 611326249 is 942623116.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555450624 + 55875625 = 23568^2 + 7475^2 .

It is a cyclic number.

It is not a de Polignac number, because 611326249 - 2³ = 611326241 is a prime.

It is not a weakly prime, because it can be changed into another prime (611326241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305663124 + 305663125.

It is an arithmetic number, because the mean of its divisors is an integer number (305663125).

Almost surely, 2^611326249 is an apocalyptic number.

It is an amenable number.

611326249 is a deficient number, since it is larger than the sum of its proper divisors (1).

611326249 is an equidigital number, since it uses as much as digits as its factorization.

611326249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 611326249 is about 24725.0126188037. The cubic root of 611326249 is about 848.7067989027.

The spelling of 611326249 in words is "six hundred eleven million, three hundred twenty-six thousand, two hundred forty-nine".