3145091 has 2 divisors, whose sum is σ = 3145092. Its totient is φ = 3145090.

The previous prime is 3145057. The next prime is 3145097. The reversal of 3145091 is 1905413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3145091 - 2⁶ = 3145027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3145097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572545 + 1572546.

It is an arithmetic number, because the mean of its divisors is an integer number (1572546).

Almost surely, 2^3145091 is an apocalyptic number.

3145091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145091 is an equidigital number, since it uses as much as digits as its factorization.

3145091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 3145091 is about 1773.4404416275. The cubic root of 3145091 is about 146.5135322021.

The spelling of 3145091 in words is "three million, one hundred forty-five thousand, ninety-one".