3522161 has 2 divisors, whose sum is σ = 3522162. Its totient is φ = 3522160.

The previous prime is 3522157. The next prime is 3522191. The reversal of 3522161 is 1612253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 913936 = 1615^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 3522161 - 2² = 3522157 is a prime.

It is not a weakly prime, because it can be changed into another prime (3522131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761080 + 1761081.

It is an arithmetic number, because the mean of its divisors is an integer number (1761081).

Almost surely, 2^3522161 is an apocalyptic number.

It is an amenable number.

3522161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3522161 is an equidigital number, since it uses as much as digits as its factorization.

3522161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 3522161 is about 1876.7421240011. The cubic root of 3522161 is about 152.1492215330.

It can be divided in two parts, 35 and 22161, that multiplied together give a triangular number (775635 = T₁₂₄₅).

The spelling of 3522161 in words is "three million, five hundred twenty-two thousand, one hundred sixty-one".