423495085225 has 27 divisors (see below), whose sum is σ = 529138296207. Its totient is φ = 336232054080.

The previous prime is 423495085177. The next prime is 423495085231. The reversal of 423495085225 is 522580594324.

The square root of 423495085225 is 650765.

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

It can be written as a sum of positive squares in 13 ways, for example, as 323939690649 + 99555394576 = 569157^2 + 315524^2 .

It is a de Polignac number, because none of the positive numbers 2^k-423495085225 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 (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 510850111 + ... + 510850939.

Almost surely, 2^423495085225 is an apocalyptic number.

423495085225 is the 650765-th square number.

423495085225 is the 325383-rd centered octagonal number.

It is an amenable number.

423495085225 is a deficient number, since it is larger than the sum of its proper divisors (105643210982).

423495085225 is an frugal number, since it uses more digits than its factorization.

423495085225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

Multiplying 423495085225 by its sum of digits (49), we get a square (20751259176025 = 4555355²).

The spelling of 423495085225 in words is "four hundred twenty-three billion, four hundred ninety-five million, eighty-five thousand, two hundred twenty-five".