3145559 has 2 divisors, whose sum is σ = 3145560. Its totient is φ = 3145558.

The previous prime is 3145553. The next prime is 3145573. The reversal of 3145559 is 9555413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3145559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572779 + 1572780.

It is an arithmetic number, because the mean of its divisors is an integer number (1572780).

Almost surely, 2^3145559 is an apocalyptic number.

3145559 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145559 is an equidigital number, since it uses as much as digits as its factorization.

3145559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 32.

The square root of 3145559 is about 1773.5723836370. The cubic root of 3145559 is about 146.5207990753.

The spelling of 3145559 in words is "three million, one hundred forty-five thousand, five hundred fifty-nine".