2506605506 has 8 divisors (see below), whose sum is σ = 3769989564. Its totient is φ = 1249942320.

The previous prime is 2506605467. The next prime is 2506605559. The reversal of 2506605506 is 6055066052.

2506605506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2415231025 + 91374481 = 49145^2 + 9559^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679285 + ... + 1680776.

Almost surely, 2^2506605506 is an apocalyptic number.

2506605506 is a deficient number, since it is larger than the sum of its proper divisors (1263384058).

2506605506 is a wasteful number, since it uses less digits than its factorization.

2506605506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360436.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2506605506 is about 50066.0114848387. The cubic root of 2506605506 is about 1358.4030971868.

The spelling of 2506605506 in words is "two billion, five hundred six million, six hundred five thousand, five hundred six".