605545506 has 48 divisors (see below), whose sum is σ = 1356975360. Its totient is φ = 194957280.

The previous prime is 605545483. The next prime is 605545519.

It is a happy number.

605545506 is a `hidden beast` number, since 60 + 5 + 545 + 50 + 6 = 666.

605545506 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492100 + ... + 493328.

It is an arithmetic number, because the mean of its divisors is an integer number (28270320).

Almost surely, 2^605545506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605545506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678487680).

605545506 is an abundant number, since it is smaller than the sum of its proper divisors (751429854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605545506 is a wasteful number, since it uses less digits than its factorization.

605545506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 605545506 is about 24607.8342403390. The cubic root of 605545506 is about 846.0231789501.

The spelling of 605545506 in words is "six hundred five million, five hundred forty-five thousand, five hundred six".