3520032661 has 2 divisors, whose sum is σ = 3520032662. Its totient is φ = 3520032660.

The previous prime is 3520032643. The next prime is 3520032679. The reversal of 3520032661 is 1662300253.

It is a balanced prime because it is at equal distance from previous prime (3520032643) and next prime (3520032679).

It can be written as a sum of positive squares in only one way, i.e., 2802114225 + 717918436 = 52935^2 + 26794^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520032661 - 2¹⁹ = 3519508373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520032611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760016330 + 1760016331.

It is an arithmetic number, because the mean of its divisors is an integer number (1760016331).

Almost surely, 2^3520032661 is an apocalyptic number.

It is an amenable number.

3520032661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520032661 is an equidigital number, since it uses as much as digits as its factorization.

3520032661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3520032661 is about 59329.8631466482. The cubic root of 3520032661 is about 1521.1856891472.

The spelling of 3520032661 in words is "three billion, five hundred twenty million, thirty-two thousand, six hundred sixty-one".