3756161 has 2 divisors, whose sum is σ = 3756162. Its totient is φ = 3756160.

The previous prime is 3756157. The next prime is 3756173. The reversal of 3756161 is 1616573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 1739761 = 1420^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 3756161 - 2² = 3756157 is a prime.

It is not a weakly prime, because it can be changed into another prime (3716161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1878080 + 1878081.

It is an arithmetic number, because the mean of its divisors is an integer number (1878081).

Almost surely, 2^3756161 is an apocalyptic number.

It is an amenable number.

3756161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3756161 is an equidigital number, since it uses as much as digits as its factorization.

3756161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 3756161 is about 1938.0817836201. The cubic root of 3756161 is about 155.4466616760.

The spelling of 3756161 in words is "three million, seven hundred fifty-six thousand, one hundred sixty-one".