180098525 has 6 divisors (see below), whose sum is σ = 223322202. Its totient is φ = 144078800.

The previous prime is 180098521. The next prime is 180098543. The reversal of 180098525 is 525890081.

It can be written as a sum of positive squares in 3 ways, for example, as 8514724 + 171583801 = 2918^2 + 13099^2 .

It is not a de Polignac number, because 180098525 - 2² = 180098521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180098521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3601946 + ... + 3601995.

It is an arithmetic number, because the mean of its divisors is an integer number (37220367).

Almost surely, 2^180098525 is an apocalyptic number.

It is an amenable number.

180098525 is a deficient number, since it is larger than the sum of its proper divisors (43223677).

180098525 is an equidigital number, since it uses as much as digits as its factorization.

180098525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203951 (or 7203946 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 180098525 is about 13420.0791726428. The cubic root of 180098525 is about 564.7246158437.

The spelling of 180098525 in words is "one hundred eighty million, ninety-eight thousand, five hundred twenty-five".