3138073 has 2 divisors, whose sum is σ = 3138074. Its totient is φ = 3138072.

The previous prime is 3138071. The next prime is 3138103. The reversal of 3138073 is 3708313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 851929 = 1512^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 3138073 - 2¹ = 3138071 is a prime.

Together with 3138071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3138071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569036 + 1569037.

It is an arithmetic number, because the mean of its divisors is an integer number (1569037).

Almost surely, 2^3138073 is an apocalyptic number.

It is an amenable number.

3138073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138073 is an equidigital number, since it uses as much as digits as its factorization.

3138073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3138073 is about 1771.4606967133. The cubic root of 3138073 is about 146.4044735960.

The spelling of 3138073 in words is "three million, one hundred thirty-eight thousand, seventy-three".