3653161 has 2 divisors, whose sum is σ = 3653162. Its totient is φ = 3653160.

The previous prime is 3653137. The next prime is 3653171. The reversal of 3653161 is 1613563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3493161 + 160000 = 1869^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 3653161 - 2⁵ = 3653129 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 6 + 5⁹ + 3¹³ + 1 + 6⁶ + 1 .

It is not a weakly prime, because it can be changed into another prime (3653171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826580 + 1826581.

It is an arithmetic number, because the mean of its divisors is an integer number (1826581).

Almost surely, 2^3653161 is an apocalyptic number.

It is an amenable number.

3653161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3653161 is an equidigital number, since it uses as much as digits as its factorization.

3653161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 3653161 is about 1911.3244099315. The cubic root of 3653161 is about 154.0126064903.

The spelling of 3653161 in words is "three million, six hundred fifty-three thousand, one hundred sixty-one".