180642853 has 2 divisors, whose sum is σ = 180642854. Its totient is φ = 180642852.

The previous prime is 180642811. The next prime is 180642863. The reversal of 180642853 is 358246081.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170511364 + 10131489 = 13058^2 + 3183^2 .

It is an emirp because it is prime and its reverse (358246081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180642853 - 2¹⁷ = 180511781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180642863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90321426 + 90321427.

It is an arithmetic number, because the mean of its divisors is an integer number (90321427).

Almost surely, 2^180642853 is an apocalyptic number.

It is an amenable number.

180642853 is a deficient number, since it is larger than the sum of its proper divisors (1).

180642853 is an equidigital number, since it uses as much as digits as its factorization.

180642853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 180642853 is about 13440.3442292227. The cubic root of 180642853 is about 565.2929829824.

The spelling of 180642853 in words is "one hundred eighty million, six hundred forty-two thousand, eight hundred fifty-three".