180097013 has 4 divisors (see below), whose sum is σ = 180146028. Its totient is φ = 180048000.

The previous prime is 180097009. The next prime is 180097037. The reversal of 180097013 is 310790081.

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 6041764 + 174055249 = 2458^2 + 13193^2 .

It is a cyclic number.

It is not a de Polignac number, because 180097013 - 2² = 180097009 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180097063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18506 + ... + 26507.

It is an arithmetic number, because the mean of its divisors is an integer number (45036507).

Almost surely, 2^180097013 is an apocalyptic number.

It is an amenable number.

180097013 is a deficient number, since it is larger than the sum of its proper divisors (49015).

180097013 is an equidigital number, since it uses as much as digits as its factorization.

180097013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49014.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 180097013 is about 13420.0228390268. The cubic root of 180097013 is about 564.7230354754.

The spelling of 180097013 in words is "one hundred eighty million, ninety-seven thousand, thirteen".