2561925241 has 8 divisors (see below), whose sum is σ = 2570666184. Its totient is φ = 2553196800.

The previous prime is 2561925239. The next prime is 2561925257. The reversal of 2561925241 is 1425291652.

2561925241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1903489641 + 658435600 = 43629^2 + 25660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2561925241 - 2¹ = 2561925239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2561925241.

It is not an unprimeable number, because it can be changed into a prime (2561925271) 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, 580455 + ... + 584851.

It is an arithmetic number, because the mean of its divisors is an integer number (321333273).

Almost surely, 2^2561925241 is an apocalyptic number.

It is an amenable number.

2561925241 is a deficient number, since it is larger than the sum of its proper divisors (8740943).

2561925241 is a wasteful number, since it uses less digits than its factorization.

2561925241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251.

The product of its digits is 43200, while the sum is 37.

The square root of 2561925241 is about 50615.4644451673. The cubic root of 2561925241 is about 1368.3236001404.

The spelling of 2561925241 in words is "two billion, five hundred sixty-one million, nine hundred twenty-five thousand, two hundred forty-one".