6630061 has 2 divisors, whose sum is σ = 6630062. Its totient is φ = 6630060.

The previous prime is 6630037. The next prime is 6630089. The reversal of 6630061 is 1600366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5175625 + 1454436 = 2275^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 6630061 - 2¹⁹ = 6105773 is a prime.

6630061 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6630011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315030 + 3315031.

It is an arithmetic number, because the mean of its divisors is an integer number (3315031).

Almost surely, 2^6630061 is an apocalyptic number.

It is an amenable number.

6630061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630061 is an equidigital number, since it uses as much as digits as its factorization.

6630061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 6630061 is about 2574.8904831080. The cubic root of 6630061 is about 187.8621008516.

The spelling of 6630061 in words is "six million, six hundred thirty thousand, sixty-one".