605898225 has 45 divisors (see below), whose sum is σ = 1124388507. Its totient is φ = 322554960.

The previous prime is 605898151. The next prime is 605898233. The reversal of 605898225 is 522898506.

The square root of 605898225 is 24615.

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

605898225 is a `hidden beast` number, since 60 + 589 + 8 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 218123361 + 387774864 = 14769^2 + 19692^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 605898225 - 2²⁷ = 471680497 is a prime.

It is a super-2 number, since 2×605898225² = 734225318116301250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1107402 + ... + 1107948.

Almost surely, 2^605898225 is an apocalyptic number.

605898225 is the 24615-th square number.

605898225 is the 12308-th centered octagonal number.

It is an amenable number.

605898225 is a deficient number, since it is larger than the sum of its proper divisors (518490282).

605898225 is an frugal number, since it uses more digits than its factorization.

605898225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The cubic root of 605898225 is about 846.1874113248.

The spelling of 605898225 in words is "six hundred five million, eight hundred ninety-eight thousand, two hundred twenty-five".