2561060501 has 2 divisors, whose sum is σ = 2561060502. Its totient is φ = 2561060500.

The previous prime is 2561060471. The next prime is 2561060507. The reversal of 2561060501 is 1050601652.

2561060501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610818225 + 950242276 = 40135^2 + 30826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2561060501 - 2²² = 2556866197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2561060507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280530250 + 1280530251.

It is an arithmetic number, because the mean of its divisors is an integer number (1280530251).

Almost surely, 2^2561060501 is an apocalyptic number.

It is an amenable number.

2561060501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2561060501 is an equidigital number, since it uses as much as digits as its factorization.

2561060501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2561060501 is about 50606.9214732530. The cubic root of 2561060501 is about 1368.1696303465.

The spelling of 2561060501 in words is "two billion, five hundred sixty-one million, sixty thousand, five hundred one".