2561354232 has 32 divisors (see below), whose sum is σ = 6780056400. Its totient is φ = 803561984.

The previous prime is 2561354227. The next prime is 2561354239. The reversal of 2561354232 is 2324531652.

It is a happy number.

2561354232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2561354193 and 2561354202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561354239) 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, 3138507 + ... + 3139322.

Almost surely, 2^2561354232 is an apocalyptic number.

It is an amenable number.

2561354232 is an abundant number, since it is smaller than the sum of its proper divisors (4218702168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2561354232 is a wasteful number, since it uses less digits than its factorization.

2561354232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277855 (or 6277851 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 2561354232 is about 50609.8234733140. The cubic root of 2561354232 is about 1368.2219340010.

Adding to 2561354232 its reverse (2324531652), we get a palindrome (4885885884).

The spelling of 2561354232 in words is "two billion, five hundred sixty-one million, three hundred fifty-four thousand, two hundred thirty-two".