180946901 has 2 divisors, whose sum is σ = 180946902. Its totient is φ = 180946900.

The previous prime is 180946847. The next prime is 180946903. The reversal of 180946901 is 109649081.

It is a happy number.

180946901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102535876 + 78411025 = 10126^2 + 8855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180946901 is a prime.

It is a super-3 number, since 3×180946901³ (a number of 26 digits) contains 333 as substring.

Together with 180946903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180946903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90473450 + 90473451.

It is an arithmetic number, because the mean of its divisors is an integer number (90473451).

Almost surely, 2^180946901 is an apocalyptic number.

It is an amenable number.

180946901 is a deficient number, since it is larger than the sum of its proper divisors (1).

180946901 is an equidigital number, since it uses as much as digits as its factorization.

180946901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 180946901 is about 13451.6504935268. The cubic root of 180946901 is about 565.6099617747.

The spelling of 180946901 in words is "one hundred eighty million, nine hundred forty-six thousand, nine hundred one".