180282973 has 4 divisors (see below), whose sum is σ = 194150908. Its totient is φ = 166415040.

The previous prime is 180282953. The next prime is 180282983. The reversal of 180282973 is 379282081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379282081 = 79 ⋅4801039.

It can be written as a sum of positive squares in 2 ways, for example, as 44863204 + 135419769 = 6698^2 + 11637^2 .

It is a cyclic number.

It is not a de Polignac number, because 180282973 - 2¹³ = 180274781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180282913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933948 + ... + 6933973.

It is an arithmetic number, because the mean of its divisors is an integer number (48537727).

Almost surely, 2^180282973 is an apocalyptic number.

180282973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

180282973 is a deficient number, since it is larger than the sum of its proper divisors (13867935).

180282973 is a wasteful number, since it uses less digits than its factorization.

180282973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13867934.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 180282973 is about 13426.9495046343. The cubic root of 180282973 is about 564.9173377383.

The spelling of 180282973 in words is "one hundred eighty million, two hundred eighty-two thousand, nine hundred seventy-three".