2561095232 has 14 divisors (see below), whose sum is σ = 5082173478. Its totient is φ = 1280547584.

The previous prime is 2561095219. The next prime is 2561095249. The reversal of 2561095232 is 2325901652.

It can be written as a sum of positive squares in only one way, i.e., 2004890176 + 556205056 = 44776^2 + 23584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2561095192 and 2561095201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20008493 + ... + 20008620.

Almost surely, 2^2561095232 is an apocalyptic number.

It is an amenable number.

2561095232 is a deficient number, since it is larger than the sum of its proper divisors (2521078246).

2561095232 is an equidigital number, since it uses as much as digits as its factorization.

2561095232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40017125 (or 40017115 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2561095232 is about 50607.2646168512. The cubic root of 2561095232 is about 1368.1758149830.

Adding to 2561095232 its reverse (2325901652), we get a palindrome (4886996884).

The spelling of 2561095232 in words is "two billion, five hundred sixty-one million, ninety-five thousand, two hundred thirty-two".