2505005305 has 16 divisors (see below), whose sum is σ = 3291767424. Its totient is φ = 1814884480.

The previous prime is 2505005287. The next prime is 2505005381. The reversal of 2505005305 is 5035005052.

It is not a de Polignac number, because 2505005305 - 2⁵ = 2505005273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2505005305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72124 + ... + 101053.

It is an arithmetic number, because the mean of its divisors is an integer number (205735464).

Almost surely, 2^2505005305 is an apocalyptic number.

It is an amenable number.

2505005305 is a deficient number, since it is larger than the sum of its proper divisors (786762119).

2505005305 is a wasteful number, since it uses less digits than its factorization.

2505005305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173456.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2505005305 is about 50050.0280219702. The cubic root of 2505005305 is about 1358.1139703556.

The spelling of 2505005305 in words is "two billion, five hundred five million, five thousand, three hundred five".