2175042797 has 4 divisors (see below), whose sum is σ = 2177725536. Its totient is φ = 2172360060.

The previous prime is 2175042761. The next prime is 2175042799. The reversal of 2175042797 is 7972405712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2175042797 - 2⁶ = 2175042733 is a prime.

It is a super-2 number, since 2×2175042797² = 9461622337563166418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175042799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340153 + ... + 1341774.

It is an arithmetic number, because the mean of its divisors is an integer number (544431384).

Almost surely, 2^2175042797 is an apocalyptic number.

It is an amenable number.

2175042797 is a deficient number, since it is larger than the sum of its proper divisors (2682739).

2175042797 is an equidigital number, since it uses as much as digits as its factorization.

2175042797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682738.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 2175042797 is about 46637.3540951885. The cubic root of 2175042797 is about 1295.6546824631.

The spelling of 2175042797 in words is "two billion, one hundred seventy-five million, forty-two thousand, seven hundred ninety-seven".