2173051 has 2 divisors, whose sum is σ = 2173052. Its totient is φ = 2173050.

The previous prime is 2173043. The next prime is 2173079. The reversal of 2173051 is 1503712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2173051 - 2³ = 2173043 is a prime.

2173051 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2173001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086525 + 1086526.

It is an arithmetic number, because the mean of its divisors is an integer number (1086526).

2^2173051 is an apocalyptic number.

2173051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173051 is an equidigital number, since it uses as much as digits as its factorization.

2173051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 2173051 is about 1474.1271993963. The cubic root of 2173051 is about 129.5259062774.

Adding to 2173051 its reverse (1503712), we get a palindrome (3676763).

The spelling of 2173051 in words is "two million, one hundred seventy-three thousand, fifty-one".