609752247 has 8 divisors (see below), whose sum is σ = 875541744. Its totient is φ = 375232128.

The previous prime is 609752219. The next prime is 609752249. The reversal of 609752247 is 742257906.

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

It is not a de Polignac number, because 609752247 - 2¹⁵ = 609719479 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 609752199 and 609752208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609752249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7817298 + ... + 7817375.

It is an arithmetic number, because the mean of its divisors is an integer number (109442718).

Almost surely, 2^609752247 is an apocalyptic number.

609752247 is a deficient number, since it is larger than the sum of its proper divisors (265789497).

609752247 is a wasteful number, since it uses less digits than its factorization.

609752247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15634689.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 609752247 is about 24693.1619481993. The cubic root of 609752247 is about 847.9777750012.

The spelling of 609752247 in words is "six hundred nine million, seven hundred fifty-two thousand, two hundred forty-seven".