3663461 has 2 divisors, whose sum is σ = 3663462. Its totient is φ = 3663460.

The previous prime is 3663437. The next prime is 3663469. The reversal of 3663461 is 1643663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 30625 = 1906^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 3663461 - 2¹⁰ = 3662437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3663469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831730 + 1831731.

It is an arithmetic number, because the mean of its divisors is an integer number (1831731).

Almost surely, 2^3663461 is an apocalyptic number.

It is an amenable number.

3663461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663461 is an equidigital number, since it uses as much as digits as its factorization.

3663461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 3663461 is about 1914.0169800710. The cubic root of 3663461 is about 154.1572156206.

The spelling of 3663461 in words is "three million, six hundred sixty-three thousand, four hundred sixty-one".