179890498225 has 9 divisors (see below), whose sum is σ = 223066847467. Its totient is φ = 143910702040.

The previous prime is 179890498211. The next prime is 179890498303. The reversal of 179890498225 is 522894098971.

The square root of 179890498225 is 424135.

It is a perfect power (a square), and thus also a powerful number.

179890498225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64760579361 + 115129918864 = 254481^2 + 339308^2 .

It is not a de Polignac number, because 179890498225 - 2¹³ = 179890490033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2078262 + ... + 2163088.

Almost surely, 2^179890498225 is an apocalyptic number.

179890498225 is the 424135-th square number.

179890498225 is the 212068-th centered octagonal number.

It is an amenable number.

179890498225 is a deficient number, since it is larger than the sum of its proper divisors (43176349242).

179890498225 is an frugal number, since it uses more digits than its factorization.

179890498225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169664 (or 84832 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 64.

Multiplying 179890498225 by its sum of digits (64), we get a square (11512991886400 = 3393080²).

The spelling of 179890498225 in words is "one hundred seventy-nine billion, eight hundred ninety million, four hundred ninety-eight thousand, two hundred twenty-five".