180007 has 2 divisors, whose sum is σ = 180008. Its totient is φ = 180006.
The previous prime is 180001. The next prime is 180023. The reversal of 180007 is 700081.
It is an a-pointer prime, because the next prime (180023) can be obtained adding 180007 to its sum of digits (16).
It is a weak prime.
It is an emirp because it is prime and its reverse (700081) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 180007 - 23 = 179999 is a prime.
It is an Ulam number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (180001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90003 + 90004.
It is an arithmetic number, because the mean of its divisors is an integer number (90004).
2180007 is an apocalyptic number.
180007 is a deficient number, since it is larger than the sum of its proper divisors (1).
180007 is an equidigital number, since it uses as much as digits as its factorization.
180007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56, while the sum is 16.
The square root of 180007 is about 424.2723182108. The cubic root of 180007 is about 56.4628936403.
Adding to 180007 its reverse (700081), we get a palindrome (880088).
It can be divided in two parts, 1 and 80007, that added together give a palindrome (80008).
The spelling of 180007 in words is "one hundred eighty thousand, seven".
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