3261225397 has 2 divisors, whose sum is σ = 3261225398. Its totient is φ = 3261225396.

The previous prime is 3261225377. The next prime is 3261225439. The reversal of 3261225397 is 7935221623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2636925201 + 624300196 = 51351^2 + 24986^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261225397 - 2¹¹ = 3261223349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261225337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630612698 + 1630612699.

It is an arithmetic number, because the mean of its divisors is an integer number (1630612699).

Almost surely, 2^3261225397 is an apocalyptic number.

It is an amenable number.

3261225397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261225397 is an equidigital number, since it uses as much as digits as its factorization.

3261225397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 3261225397 is about 57107.1396324488. The cubic root of 3261225397 is about 1482.9514690917.

The spelling of 3261225397 in words is "three billion, two hundred sixty-one million, two hundred twenty-five thousand, three hundred ninety-seven".