2561060331 has 12 divisors (see below), whose sum is σ = 3894010120. Its totient is φ = 1617511680.

The previous prime is 2561060317. The next prime is 2561060393. The reversal of 2561060331 is 1330601652.

2561060331 is a `hidden beast` number, since 2 + 56 + 1 + 0 + 603 + 3 + 1 = 666.

It is not a de Polignac number, because 2561060331 - 2⁹ = 2561059819 is a prime.

It is a super-2 number, since 2×2561060331² = 13118060038043659122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2561060295 and 2561060304.

It is not an unprimeable number, because it can be changed into a prime (2561060311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7488310 + ... + 7488651.

Almost surely, 2^2561060331 is an apocalyptic number.

2561060331 is a deficient number, since it is larger than the sum of its proper divisors (1332949789).

2561060331 is a wasteful number, since it uses less digits than its factorization.

2561060331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976986 (or 14976983 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2561060331 is about 50606.9197936409. The cubic root of 2561060331 is about 1368.1696000740.

Adding to 2561060331 its reverse (1330601652), we get a palindrome (3891661983).

The spelling of 2561060331 in words is "two billion, five hundred sixty-one million, sixty thousand, three hundred thirty-one".