3145325641 has 2 divisors, whose sum is σ = 3145325642. Its totient is φ = 3145325640.

The previous prime is 3145325611. The next prime is 3145325699. The reversal of 3145325641 is 1465235413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3113640000 + 31685641 = 55800^2 + 5629^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145325641 - 2⁵ = 3145325609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3145325597 and 3145325606.

It is not a weakly prime, because it can be changed into another prime (3145325611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572662820 + 1572662821.

It is an arithmetic number, because the mean of its divisors is an integer number (1572662821).

Almost surely, 2^3145325641 is an apocalyptic number.

It is an amenable number.

3145325641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145325641 is an equidigital number, since it uses as much as digits as its factorization.

3145325641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 3145325641 is about 56083.2028418492. The cubic root of 3145325641 is about 1465.1717568196.

The spelling of 3145325641 in words is "three billion, one hundred forty-five million, three hundred twenty-five thousand, six hundred forty-one".