3745811 has 2 divisors, whose sum is σ = 3745812. Its totient is φ = 3745810.

The previous prime is 3745789. The next prime is 3745813. The reversal of 3745811 is 1185473.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3745811 - 2¹⁰ = 3744787 is a prime.

It is a super-2 number, since 2×3745811² = 28062200095442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3745813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3745813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872905 + 1872906.

It is an arithmetic number, because the mean of its divisors is an integer number (1872906).

Almost surely, 2^3745811 is an apocalyptic number.

3745811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745811 is an equidigital number, since it uses as much as digits as its factorization.

3745811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 3745811 is about 1935.4097757323. The cubic root of 3745811 is about 155.3037539793.

The spelling of 3745811 in words is "three million, seven hundred forty-five thousand, eight hundred eleven".