3215355461 has 2 divisors, whose sum is σ = 3215355462. Its totient is φ = 3215355460.

The previous prime is 3215355419. The next prime is 3215355523. The reversal of 3215355461 is 1645535123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2350407361 + 864948100 = 48481^2 + 29410^2 .

It is a cyclic number.

It is not a de Polignac number, because 3215355461 - 2¹⁴ = 3215339077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215355961) 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, 1607677730 + 1607677731.

It is an arithmetic number, because the mean of its divisors is an integer number (1607677731).

Almost surely, 2^3215355461 is an apocalyptic number.

It is an amenable number.

3215355461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215355461 is an equidigital number, since it uses as much as digits as its factorization.

3215355461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 3215355461 is about 56704.1044457983. The cubic root of 3215355461 is about 1475.9659226727.

The spelling of 3215355461 in words is "three billion, two hundred fifteen million, three hundred fifty-five thousand, four hundred sixty-one".