2561434282 has 32 divisors (see below), whose sum is σ = 4283435520. Its totient is φ = 1139009520.

The previous prime is 2561434259. The next prime is 2561434313. The reversal of 2561434282 is 2824341652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181269 + ... + 194887.

It is an arithmetic number, because the mean of its divisors is an integer number (133857360).

Almost surely, 2^2561434282 is an apocalyptic number.

2561434282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2561434282 is a deficient number, since it is larger than the sum of its proper divisors (1722001238).

2561434282 is a wasteful number, since it uses less digits than its factorization.

2561434282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13818.

The product of its digits is 92160, while the sum is 37.

The square root of 2561434282 is about 50610.6143215037. The cubic root of 2561434282 is about 1368.2361875319.

It can be divided in two parts, 2561434 and 282, that added together give a triangular number (2561716 = T₂₂₆₃).

The spelling of 2561434282 in words is "two billion, five hundred sixty-one million, four hundred thirty-four thousand, two hundred eighty-two".