3307028561 has 2 divisors, whose sum is σ = 3307028562. Its totient is φ = 3307028560.

The previous prime is 3307028521. The next prime is 3307028579. The reversal of 3307028561 is 1658207033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3285582400 + 21446161 = 57320^2 + 4631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3307028561 - 2¹⁸ = 3306766417 is a prime.

It is not a weakly prime, because it can be changed into another prime (3307028521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653514280 + 1653514281.

It is an arithmetic number, because the mean of its divisors is an integer number (1653514281).

Almost surely, 2^3307028561 is an apocalyptic number.

It is an amenable number.

3307028561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3307028561 is an equidigital number, since it uses as much as digits as its factorization.

3307028561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3307028561 is about 57506.7696971409. The cubic root of 3307028561 is about 1489.8617893512.

The spelling of 3307028561 in words is "three billion, three hundred seven million, twenty-eight thousand, five hundred sixty-one".