2176953245 has 4 divisors (see below), whose sum is σ = 2612343900. Its totient is φ = 1741562592.

The previous prime is 2176953209. The next prime is 2176953257. The reversal of 2176953245 is 5423596712.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1422572089 + 754381156 = 37717^2 + 27466^2 .

It is a cyclic number.

It is not a de Polignac number, because 2176953245 - 2²⁰ = 2175904669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2176953196 and 2176953205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217695320 + ... + 217695329.

It is an arithmetic number, because the mean of its divisors is an integer number (653085975).

Almost surely, 2^2176953245 is an apocalyptic number.

It is an amenable number.

2176953245 is a deficient number, since it is larger than the sum of its proper divisors (435390655).

2176953245 is an equidigital number, since it uses as much as digits as its factorization.

2176953245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435390654.

The product of its digits is 453600, while the sum is 44.

The square root of 2176953245 is about 46657.8315505554. The cubic root of 2176953245 is about 1296.0339173810.

The spelling of 2176953245 in words is "two billion, one hundred seventy-six million, nine hundred fifty-three thousand, two hundred forty-five".