609823245 has 8 divisors (see below), whose sum is σ = 975717216. Its totient is φ = 325239056.

The previous prime is 609823243. The next prime is 609823271. The reversal of 609823245 is 542328906.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 609823245 - 2¹ = 609823243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609823243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20327427 + ... + 20327456.

It is an arithmetic number, because the mean of its divisors is an integer number (121964652).

Almost surely, 2^609823245 is an apocalyptic number.

It is an amenable number.

609823245 is a deficient number, since it is larger than the sum of its proper divisors (365893971).

609823245 is a wasteful number, since it uses less digits than its factorization.

609823245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40654891.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 609823245 is about 24694.5995108242. The cubic root of 609823245 is about 848.0106858486.

The spelling of 609823245 in words is "six hundred nine million, eight hundred twenty-three thousand, two hundred forty-five".