2561233075 has 12 divisors (see below), whose sum is σ = 3194951760. Its totient is φ = 2036713760.

The previous prime is 2561232997. The next prime is 2561233091. The reversal of 2561233075 is 5703321652.

It is not a de Polignac number, because 2561233075 - 2¹⁵ = 2561200307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2561233075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302560 + ... + 310909.

It is an arithmetic number, because the mean of its divisors is an integer number (266245980).

Almost surely, 2^2561233075 is an apocalyptic number.

2561233075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2561233075 is a deficient number, since it is larger than the sum of its proper divisors (633718685).

2561233075 is a wasteful number, since it uses less digits than its factorization.

2561233075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613646 (or 613641 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2561233075 is about 50608.6264879813. The cubic root of 2561233075 is about 1368.2003604812.

The spelling of 2561233075 in words is "two billion, five hundred sixty-one million, two hundred thirty-three thousand, seventy-five".