609843025 has 27 divisors (see below), whose sum is σ = 833056273. Its totient is φ = 442534400.

The previous prime is 609843011. The next prime is 609843037. The reversal of 609843025 is 520348906.

The square root of 609843025 is 24695.

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

609843025 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 4 ways, for example, as 543169 + 609299856 = 737^2 + 24684^2 .

It is not a de Polignac number, because 609843025 - 2¹¹ = 609840977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1358001 + ... + 1358449.

Almost surely, 2^609843025 is an apocalyptic number.

609843025 is the 24695-th square number.

609843025 is the 12348-th centered octagonal number.

It is an amenable number.

609843025 is a deficient number, since it is larger than the sum of its proper divisors (223213248).

609843025 is an equidigital number, since it uses as much as digits as its factorization.

609843025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The cubic root of 609843025 is about 848.0198543359.

It can be divided in two parts, 60984 and 3025, that added together give a square (64009 = 253²).

The spelling of 609843025 in words is "six hundred nine million, eight hundred forty-three thousand, twenty-five".