3213404461 has 2 divisors, whose sum is σ = 3213404462. Its totient is φ = 3213404460.

The previous prime is 3213404449. The next prime is 3213404489. The reversal of 3213404461 is 1644043123.

It is an a-pointer prime, because the next prime (3213404489) can be obtained adding 3213404461 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3025550025 + 187854436 = 55005^2 + 13706^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213404461 - 2¹³ = 3213396269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213404401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606702230 + 1606702231.

It is an arithmetic number, because the mean of its divisors is an integer number (1606702231).

Almost surely, 2^3213404461 is an apocalyptic number.

It is an amenable number.

3213404461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213404461 is an equidigital number, since it uses as much as digits as its factorization.

3213404461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3213404461 is about 56686.8984951549. The cubic root of 3213404461 is about 1475.6673354535.

Adding to 3213404461 its reverse (1644043123), we get a palindrome (4857447584).

The spelling of 3213404461 in words is "three billion, two hundred thirteen million, four hundred four thousand, four hundred sixty-one".