2152331173 has 2 divisors, whose sum is σ = 2152331174. Its totient is φ = 2152331172.

The previous prime is 2152331131. The next prime is 2152331231. The reversal of 2152331173 is 3711332512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972958724 + 179372449 = 44418^2 + 13393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152331173 - 2¹³ = 2152322981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152391173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076165586 + 1076165587.

It is an arithmetic number, because the mean of its divisors is an integer number (1076165587).

Almost surely, 2^2152331173 is an apocalyptic number.

It is an amenable number.

2152331173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152331173 is an equidigital number, since it uses as much as digits as its factorization.

2152331173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 2152331173 is about 46393.2233521233. The cubic root of 2152331173 is about 1291.1291863612.

Adding to 2152331173 its reverse (3711332512), we get a palindrome (5863663685).

The spelling of 2152331173 in words is "two billion, one hundred fifty-two million, three hundred thirty-one thousand, one hundred seventy-three".