180641725 has 24 divisors (see below), whose sum is σ = 252796320. Its totient is φ = 126840000.

The previous prime is 180641723. The next prime is 180641737. The reversal of 180641725 is 527146081.

It is not a de Polignac number, because 180641725 - 2¹ = 180641723 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180641723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3351 + ... + 19300.

It is an arithmetic number, because the mean of its divisors is an integer number (10533180).

Almost surely, 2^180641725 is an apocalyptic number.

It is an amenable number.

180641725 is a deficient number, since it is larger than the sum of its proper divisors (72154595).

180641725 is a wasteful number, since it uses less digits than its factorization.

180641725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22701 (or 22696 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 180641725 is about 13440.3022659463. The cubic root of 180641725 is about 565.2918063480.

The spelling of 180641725 in words is "one hundred eighty million, six hundred forty-one thousand, seven hundred twenty-five".