3225424981 has 2 divisors, whose sum is σ = 3225424982. Its totient is φ = 3225424980.

The previous prime is 3225424963. The next prime is 3225424997. The reversal of 3225424981 is 1894245223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2823221956 + 402203025 = 53134^2 + 20055^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225424981 - 2⁹ = 3225424469 is a prime.

It is a super-2 number, since 2×3225424981² = 20806732616117700722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3225424931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612712490 + 1612712491.

It is an arithmetic number, because the mean of its divisors is an integer number (1612712491).

Almost surely, 2^3225424981 is an apocalyptic number.

It is an amenable number.

3225424981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225424981 is an equidigital number, since it uses as much as digits as its factorization.

3225424981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 3225424981 is about 56792.8250838079. The cubic root of 3225424981 is about 1477.5050765637.

The spelling of 3225424981 in words is "three billion, two hundred twenty-five million, four hundred twenty-four thousand, nine hundred eighty-one".