2505505798 has 16 divisors (see below), whose sum is σ = 4064001984. Its totient is φ = 1153974400.

The previous prime is 2505505789. The next prime is 2505505799. The reversal of 2505505798 is 8975055052.

2505505798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505505799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782353 + ... + 785548.

It is an arithmetic number, because the mean of its divisors is an integer number (254000124).

Almost surely, 2^2505505798 is an apocalyptic number.

2505505798 is a deficient number, since it is larger than the sum of its proper divisors (1558496186).

2505505798 is a wasteful number, since it uses less digits than its factorization.

2505505798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567967.

The product of its (nonzero) digits is 630000, while the sum is 46.

The square root of 2505505798 is about 50055.0276995229. The cubic root of 2505505798 is about 1358.2044134470.

The spelling of 2505505798 in words is "two billion, five hundred five million, five hundred five thousand, seven hundred ninety-eight".