4041691 has 2 divisors, whose sum is σ = 4041692. Its totient is φ = 4041690.

The previous prime is 4041689. The next prime is 4041731. The reversal of 4041691 is 1961404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4041691 - 2¹ = 4041689 is a prime.

It is a super-2 number, since 2×4041691² = 32670532278962, which contains 22 as substring.

Together with 4041689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4041601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020845 + 2020846.

It is an arithmetic number, because the mean of its divisors is an integer number (2020846).

Almost surely, 2^4041691 is an apocalyptic number.

4041691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041691 is an equidigital number, since it uses as much as digits as its factorization.

4041691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4041691 is about 2010.3957321881. The cubic root of 4041691 is about 159.2897029669.

The spelling of 4041691 in words is "four million, forty-one thousand, six hundred ninety-one".