6216061 has 2 divisors, whose sum is σ = 6216062. Its totient is φ = 6216060.

The previous prime is 6216047. The next prime is 6216071. The reversal of 6216061 is 1606126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4202500 + 2013561 = 2050^2 + 1419^2 .

It is a cyclic number.

It is not a de Polignac number, because 6216061 - 2⁵ = 6216029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6216011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108030 + 3108031.

It is an arithmetic number, because the mean of its divisors is an integer number (3108031).

Almost surely, 2^6216061 is an apocalyptic number.

It is an amenable number.

6216061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6216061 is an equidigital number, since it uses as much as digits as its factorization.

6216061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6216061 is about 2493.2029600496. The cubic root of 6216061 is about 183.8675500018.

The spelling of 6216061 in words is "six million, two hundred sixteen thousand, sixty-one".