2505575775 has 48 divisors (see below), whose sum is σ = 4307502080. Its totient is φ = 1283731200.

The previous prime is 2505575773. The next prime is 2505575777. The reversal of 2505575775 is 5775755052.

2505575775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2505575773) and next prime (2505575777).

It is not a de Polignac number, because 2505575775 - 2¹ = 2505575773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505575773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319299 + ... + 327051.

Almost surely, 2^2505575775 is an apocalyptic number.

2505575775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2505575775 is a deficient number, since it is larger than the sum of its proper divisors (1801926305).

2505575775 is a wasteful number, since it uses less digits than its factorization.

2505575775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 2143750, while the sum is 48.

The square root of 2505575775 is about 50055.7266953542. The cubic root of 2505575775 is about 1358.2170578912.

The spelling of 2505575775 in words is "two billion, five hundred five million, five hundred seventy-five thousand, seven hundred seventy-five".