2175423151 has 4 divisors (see below), whose sum is σ = 2373188904. Its totient is φ = 1977657400.

The previous prime is 2175423113. The next prime is 2175423163. The reversal of 2175423151 is 1513245712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2175423151 - 2¹¹ = 2175421103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175423181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98882860 + ... + 98882881.

It is an arithmetic number, because the mean of its divisors is an integer number (593297226).

Almost surely, 2^2175423151 is an apocalyptic number.

2175423151 is a deficient number, since it is larger than the sum of its proper divisors (197765753).

2175423151 is a wasteful number, since it uses less digits than its factorization.

2175423151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197765752.

The product of its digits is 8400, while the sum is 31.

The square root of 2175423151 is about 46641.4316997238. The cubic root of 2175423151 is about 1295.7302026197.

Adding to 2175423151 its reverse (1513245712), we get a palindrome (3688668863).

The spelling of 2175423151 in words is "two billion, one hundred seventy-five million, four hundred twenty-three thousand, one hundred fifty-one".