3541691 has 2 divisors, whose sum is σ = 3541692. Its totient is φ = 3541690.

The previous prime is 3541679. The next prime is 3541709. The reversal of 3541691 is 1961453.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3541691 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3541631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770845 + 1770846.

It is an arithmetic number, because the mean of its divisors is an integer number (1770846).

Almost surely, 2^3541691 is an apocalyptic number.

3541691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3541691 is an equidigital number, since it uses as much as digits as its factorization.

3541691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 3541691 is about 1881.9380967503. The cubic root of 3541691 is about 152.4299203223.

The spelling of 3541691 in words is "three million, five hundred forty-one thousand, six hundred ninety-one".