673113589225 has 81 divisors (see below), whose sum is σ = 1067723831223. Its totient is φ = 419406372000.

The previous prime is 673113589219. The next prime is 673113589249. The reversal of 673113589225 is 522985311376.

The square root of 673113589225 is 820435.

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

673113589225 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., 242320892121 + 430792697104 = 492261^2 + 656348^2 .

It is not a de Polignac number, because 673113589225 - 2³ = 673113589217 is a prime.

It is a super-2 number, since 2×673113589225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 315866410 + ... + 315868540.

Almost surely, 2^673113589225 is an apocalyptic number.

673113589225 is the 820435-th square number.

673113589225 is the 410218-th centered octagonal number.

It is an amenable number.

673113589225 is a deficient number, since it is larger than the sum of its proper divisors (394610241998).

673113589225 is an equidigital number, since it uses as much as digits as its factorization.

673113589225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 2154 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The spelling of 673113589225 in words is "six hundred seventy-three billion, one hundred thirteen million, five hundred eighty-nine thousand, two hundred twenty-five".