189024013 has 2 divisors, whose sum is σ = 189024014. Its totient is φ = 189024012.

The previous prime is 189023993. The next prime is 189024053. The reversal of 189024013 is 310420981.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178409449 + 10614564 = 13357^2 + 3258^2 .

It is a cyclic number.

It is not a de Polignac number, because 189024013 - 2¹⁷ = 188892941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189024053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94512006 + 94512007.

It is an arithmetic number, because the mean of its divisors is an integer number (94512007).

Almost surely, 2^189024013 is an apocalyptic number.

It is an amenable number.

189024013 is a deficient number, since it is larger than the sum of its proper divisors (1).

189024013 is an equidigital number, since it uses as much as digits as its factorization.

189024013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 189024013 is about 13748.6004014954. The cubic root of 189024013 is about 573.9036581498.

Adding to 189024013 its reverse (310420981), we get a palindrome (499444994).

The spelling of 189024013 in words is "one hundred eighty-nine million, twenty-four thousand, thirteen".