2561750375 has 16 divisors (see below), whose sum is σ = 3200378688. Its totient is φ = 2047276000.

The previous prime is 2561750371. The next prime is 2561750381. The reversal of 2561750375 is 5730571652.

2561750375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2561750375 - 2² = 2561750371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561750371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116510 + ... + 136740.

It is an arithmetic number, because the mean of its divisors is an integer number (200023668).

Almost surely, 2^2561750375 is an apocalyptic number.

2561750375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2561750375 is a deficient number, since it is larger than the sum of its proper divisors (638628313).

2561750375 is a wasteful number, since it uses less digits than its factorization.

2561750375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21259 (or 21249 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 2561750375 is about 50613.7370187185. The cubic root of 2561750375 is about 1368.2924674704.

The spelling of 2561750375 in words is "two billion, five hundred sixty-one million, seven hundred fifty thousand, three hundred seventy-five".