3147973 has 2 divisors, whose sum is σ = 3147974. Its totient is φ = 3147972.

The previous prime is 3147971. The next prime is 3147983. The reversal of 3147973 is 3797413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2411809 + 736164 = 1553^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 3147973 - 2¹ = 3147971 is a prime.

Together with 3147971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3147971) 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, 1573986 + 1573987.

It is an arithmetic number, because the mean of its divisors is an integer number (1573987).

Almost surely, 2^3147973 is an apocalyptic number.

It is an amenable number.

3147973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147973 is an equidigital number, since it uses as much as digits as its factorization.

3147973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 3147973 is about 1774.2528004769. The cubic root of 3147973 is about 146.5582710336.

The spelling of 3147973 in words is "three million, one hundred forty-seven thousand, nine hundred seventy-three".