2561061334 has 8 divisors (see below), whose sum is σ = 4137099120. Its totient is φ = 1182028296.

The previous prime is 2561061331. The next prime is 2561061337. The reversal of 2561061334 is 4331601652.

2561061334 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 (2561061331) and next prime (2561061337).

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

It is a junction number, because it is equal to n+sod(n) for n = 2561061296 and 2561061305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561061331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49251154 + ... + 49251205.

It is an arithmetic number, because the mean of its divisors is an integer number (517137390).

Almost surely, 2^2561061334 is an apocalyptic number.

2561061334 is a deficient number, since it is larger than the sum of its proper divisors (1576037786).

2561061334 is a wasteful number, since it uses less digits than its factorization.

2561061334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98502374.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2561061334 is about 50606.9297033519. The cubic root of 2561061334 is about 1368.1697786816.

Adding to 2561061334 its reverse (4331601652), we get a palindrome (6892662986).

The spelling of 2561061334 in words is "two billion, five hundred sixty-one million, sixty-one thousand, three hundred thirty-four".