605140523 has 8 divisors (see below), whose sum is σ = 653562000. Its totient is φ = 556986528.

The previous prime is 605140507. The next prime is 605140541. The reversal of 605140523 is 325041506.

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 605140523 - 2⁴ = 605140507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605140492 and 605140501.

It is not an unprimeable number, because it can be changed into a prime (602140523) 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, 62153 + ... + 71226.

It is an arithmetic number, because the mean of its divisors is an integer number (81695250).

Almost surely, 2^605140523 is an apocalyptic number.

605140523 is a deficient number, since it is larger than the sum of its proper divisors (48421477).

605140523 is a wasteful number, since it uses less digits than its factorization.

605140523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133741.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 605140523 is about 24599.6041228309. The cubic root of 605140523 is about 845.8345328388.

The spelling of 605140523 in words is "six hundred five million, one hundred forty thousand, five hundred twenty-three".