605140207 has 4 divisors (see below), whose sum is σ = 691588816. Its totient is φ = 518691600.

The previous prime is 605140183. The next prime is 605140229. The reversal of 605140207 is 702041506.

605140207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-605140207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605140507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43224294 + ... + 43224307.

It is an arithmetic number, because the mean of its divisors is an integer number (172897204).

Almost surely, 2^605140207 is an apocalyptic number.

605140207 is a deficient number, since it is larger than the sum of its proper divisors (86448609).

605140207 is an equidigital number, since it uses as much as digits as its factorization.

605140207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86448608.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 605140207 is about 24599.5976999625. The cubic root of 605140207 is about 845.8343856092.

The spelling of 605140207 in words is "six hundred five million, one hundred forty thousand, two hundred seven".