3225399491 has 2 divisors, whose sum is σ = 3225399492. Its totient is φ = 3225399490.

The previous prime is 3225399481. The next prime is 3225399493. The reversal of 3225399491 is 1949935223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3225399491 - 2¹⁰ = 3225398467 is a prime.

Together with 3225399493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3225399493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612699745 + 1612699746.

It is an arithmetic number, because the mean of its divisors is an integer number (1612699746).

Almost surely, 2^3225399491 is an apocalyptic number.

3225399491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225399491 is an equidigital number, since it uses as much as digits as its factorization.

3225399491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 47.

The square root of 3225399491 is about 56792.6006712142. The cubic root of 3225399491 is about 1477.5011843940.

The spelling of 3225399491 in words is "three billion, two hundred twenty-five million, three hundred ninety-nine thousand, four hundred ninety-one".