2500255505 has 32 divisors (see below), whose sum is σ = 3479587200. Its totient is φ = 1705536000.

The previous prime is 2500255489. The next prime is 2500255517. The reversal of 2500255505 is 5055520052.

It is a happy number.

It is not a de Polignac number, because 2500255505 - 2⁴ = 2500255489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93701 + ... + 117389.

It is an arithmetic number, because the mean of its divisors is an integer number (108737100).

Almost surely, 2^2500255505 is an apocalyptic number.

It is an amenable number.

2500255505 is a deficient number, since it is larger than the sum of its proper divisors (979331695).

2500255505 is a wasteful number, since it uses less digits than its factorization.

2500255505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23825.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 2500255505 is about 50002.5549847205. The cubic root of 2500255505 is about 1357.2550432073.

Adding to 2500255505 its reverse (5055520052), we get a palindrome (7555775557).

The spelling of 2500255505 in words is "two billion, five hundred million, two hundred fifty-five thousand, five hundred five".