15330061 has 2 divisors, whose sum is σ = 15330062. Its totient is φ = 15330060.

The previous prime is 15330047. The next prime is 15330071. The reversal of 15330061 is 16003351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13875625 + 1454436 = 3725^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 15330061 - 2⁷ = 15329933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15330001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7665030 + 7665031.

It is an arithmetic number, because the mean of its divisors is an integer number (7665031).

Almost surely, 2^15330061 is an apocalyptic number.

It is an amenable number.

15330061 is a deficient number, since it is larger than the sum of its proper divisors (1).

15330061 is an equidigital number, since it uses as much as digits as its factorization.

15330061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 15330061 is about 3915.3621799267. The cubic root of 15330061 is about 248.4169894674.

The spelling of 15330061 in words is "fifteen million, three hundred thirty thousand, sixty-one".