180534125 has 8 divisors (see below), whose sum is σ = 225306744. Its totient is φ = 144427200.

The previous prime is 180534119. The next prime is 180534127. The reversal of 180534125 is 521435081.

It can be written as a sum of positive squares in 4 ways, for example, as 491401 + 180042724 = 701^2 + 13418^2 .

It is a de Polignac number, because none of the positive numbers 2^k-180534125 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 (180534127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722012 + ... + 722261.

It is an arithmetic number, because the mean of its divisors is an integer number (28163343).

Almost surely, 2^180534125 is an apocalyptic number.

It is an amenable number.

180534125 is a deficient number, since it is larger than the sum of its proper divisors (44772619).

180534125 is an equidigital number, since it uses as much as digits as its factorization.

180534125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444288 (or 1444278 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 180534125 is about 13436.2987835192. The cubic root of 180534125 is about 565.1795445780.

The spelling of 180534125 in words is "one hundred eighty million, five hundred thirty-four thousand, one hundred twenty-five".