609245 has 24 divisors (see below), whose sum is σ = 913536. Its totient is φ = 381888.

The previous prime is 609241. The next prime is 609253. The reversal of 609245 is 542906.

It is not a de Polignac number, because 609245 - 2² = 609241 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609245.

It is not an unprimeable number, because it can be changed into a prime (609241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5864 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (38064).

2⁶⁰⁹²⁴⁵ is an apocalyptic number.

609245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

609245 is a deficient number, since it is larger than the sum of its proper divisors (304291).

609245 is a wasteful number, since it uses less digits than its factorization.

609245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 609245 is about 780.5414787185. The cubic root of 609245 is about 84.7742568262.

The spelling of 609245 in words is "six hundred nine thousand, two hundred forty-five".