605135505 has 32 divisors (see below), whose sum is σ = 1050698880. Its totient is φ = 295626240.

The previous prime is 605135501. The next prime is 605135507. The reversal of 605135505 is 505531506.

It is not a de Polignac number, because 605135505 - 2² = 605135501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605135501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13701 + ... + 37389.

It is an arithmetic number, because the mean of its divisors is an integer number (32834340).

Almost surely, 2^605135505 is an apocalyptic number.

605135505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

605135505 is a deficient number, since it is larger than the sum of its proper divisors (445563375).

605135505 is a wasteful number, since it uses less digits than its factorization.

605135505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23841.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 605135505 is about 24599.5021291082. The cubic root of 605135505 is about 845.8321948642.

The spelling of 605135505 in words is "six hundred five million, one hundred thirty-five thousand, five hundred five".