2175479 has 2 divisors, whose sum is σ = 2175480. Its totient is φ = 2175478.

The previous prime is 2175469. The next prime is 2175497. The reversal of 2175479 is 9745712.

Together with next prime (2175497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2175479 - 2⁸ = 2175223 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 7 + 5⁷ + 4³ + 7² + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2175449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087739 + 1087740.

It is an arithmetic number, because the mean of its divisors is an integer number (1087740).

2^2175479 is an apocalyptic number.

2175479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175479 is an equidigital number, since it uses as much as digits as its factorization.

2175479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 2175479 is about 1474.9505076442. The cubic root of 2175479 is about 129.5741290825.

The spelling of 2175479 in words is "two million, one hundred seventy-five thousand, four hundred seventy-nine".