3249224861 has 2 divisors, whose sum is σ = 3249224862. Its totient is φ = 3249224860.

The previous prime is 3249224857. The next prime is 3249224887. The reversal of 3249224861 is 1684229423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2935580761 + 313644100 = 54181^2 + 17710^2 .

It is a cyclic number.

It is not a de Polignac number, because 3249224861 - 2² = 3249224857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3249224801) 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, 1624612430 + 1624612431.

It is an arithmetic number, because the mean of its divisors is an integer number (1624612431).

Almost surely, 2^3249224861 is an apocalyptic number.

It is an amenable number.

3249224861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249224861 is an equidigital number, since it uses as much as digits as its factorization.

3249224861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 3249224861 is about 57001.9724307852. The cubic root of 3249224861 is about 1481.1302634946.

The spelling of 3249224861 in words is "three billion, two hundred forty-nine million, two hundred twenty-four thousand, eight hundred sixty-one".