3225523421 has 2 divisors, whose sum is σ = 3225523422. Its totient is φ = 3225523420.

The previous prime is 3225523363. The next prime is 3225523471. The reversal of 3225523421 is 1243255223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3224990521 + 532900 = 56789^2 + 730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3225523421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3225523471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612761710 + 1612761711.

It is an arithmetic number, because the mean of its divisors is an integer number (1612761711).

Almost surely, 2^3225523421 is an apocalyptic number.

It is an amenable number.

3225523421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225523421 is an equidigital number, since it uses as much as digits as its factorization.

3225523421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 3225523421 is about 56793.6917359666. The cubic root of 3225523421 is about 1477.5201075669.

Adding to 3225523421 its reverse (1243255223), we get a palindrome (4468778644).

The spelling of 3225523421 in words is "three billion, two hundred twenty-five million, five hundred twenty-three thousand, four hundred twenty-one".