2506835505 has 64 divisors (see below), whose sum is σ = 4161346560. Its totient is φ = 1288175616.

The previous prime is 2506835477. The next prime is 2506835531. The reversal of 2506835505 is 5055386052.

It is not a de Polignac number, because 2506835505 - 2⁵ = 2506835473 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12988689 + ... + 12988881.

It is an arithmetic number, because the mean of its divisors is an integer number (65021040).

Almost surely, 2^2506835505 is an apocalyptic number.

It is an amenable number.

2506835505 is a deficient number, since it is larger than the sum of its proper divisors (1654511055).

2506835505 is a wasteful number, since it uses less digits than its factorization.

2506835505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 2506835505 is about 50068.3083896390. The cubic root of 2506835505 is about 1358.4446436524. Note that the first 3 decimals are identical.

The spelling of 2506835505 in words is "two billion, five hundred six million, eight hundred thirty-five thousand, five hundred five".