3155473 has 2 divisors, whose sum is σ = 3155474. Its totient is φ = 3155472.

The previous prime is 3155437. The next prime is 3155513. The reversal of 3155473 is 3745513.

Together with previous prime (3155437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2715904 + 439569 = 1648^2 + 663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3155473 is a prime.

It is an Ulam number.

3155473 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3155573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577736 + 1577737.

It is an arithmetic number, because the mean of its divisors is an integer number (1577737).

Almost surely, 2^3155473 is an apocalyptic number.

It is an amenable number.

3155473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155473 is an equidigital number, since it uses as much as digits as its factorization.

3155473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 3155473 is about 1776.3651088670. The cubic root of 3155473 is about 146.6745697073.

The spelling of 3155473 in words is "three million, one hundred fifty-five thousand, four hundred seventy-three".