3155963 has 2 divisors, whose sum is σ = 3155964. Its totient is φ = 3155962.

The previous prime is 3155959. The next prime is 3155987. The reversal of 3155963 is 3695513.

It is a weak prime.

It is an emirp because it is prime and its reverse (3695513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3155963 - 2² = 3155959 is a prime.

It is not a weakly prime, because it can be changed into another prime (3155923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577981 + 1577982.

It is an arithmetic number, because the mean of its divisors is an integer number (1577982).

Almost surely, 2^3155963 is an apocalyptic number.

3155963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155963 is an equidigital number, since it uses as much as digits as its factorization.

3155963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 32.

The square root of 3155963 is about 1776.5030256096. The cubic root of 3155963 is about 146.6821614713.

The spelling of 3155963 in words is "three million, one hundred fifty-five thousand, nine hundred sixty-three".