180281053 has 2 divisors, whose sum is σ = 180281054. Its totient is φ = 180281052.

The previous prime is 180280993. The next prime is 180281093. The reversal of 180281053 is 350182081.

It is the 5482-nd star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126742564 + 53538489 = 11258^2 + 7317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180281053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180281093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90140526 + 90140527.

It is an arithmetic number, because the mean of its divisors is an integer number (90140527).

Almost surely, 2^180281053 is an apocalyptic number.

It is an amenable number.

180281053 is a deficient number, since it is larger than the sum of its proper divisors (1).

180281053 is an equidigital number, since it uses as much as digits as its factorization.

180281053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 180281053 is about 13426.8780064466. The cubic root of 180281053 is about 564.9153322889.

The spelling of 180281053 in words is "one hundred eighty million, two hundred eighty-one thousand, fifty-three".