3211053421 has 2 divisors, whose sum is σ = 3211053422. Its totient is φ = 3211053420.

The previous prime is 3211053413. The next prime is 3211053427. The reversal of 3211053421 is 1243501123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3190668196 + 20385225 = 56486^2 + 4515^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211053421 - 2³ = 3211053413 is a prime.

It is a super-5 number, since 5×3211053421⁵ (a number of 49 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3211053392 and 3211053401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211053427) 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, 1605526710 + 1605526711.

It is an arithmetic number, because the mean of its divisors is an integer number (1605526711).

Almost surely, 2^3211053421 is an apocalyptic number.

It is an amenable number.

3211053421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211053421 is an equidigital number, since it uses as much as digits as its factorization.

3211053421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3211053421 is about 56666.1576339882. The cubic root of 3211053421 is about 1475.3073642331.

Adding to 3211053421 its reverse (1243501123), we get a palindrome (4454554544).

The spelling of 3211053421 in words is "three billion, two hundred eleven million, fifty-three thousand, four hundred twenty-one".