2782561051 has 4 divisors (see below), whose sum is σ = 2782991592. Its totient is φ = 2782130512.

The previous prime is 2782561043. The next prime is 2782561057. The reversal of 2782561051 is 1501652872.

2782561051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2782561051 - 2³ = 2782561043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2782561051.

It is not an unprimeable number, because it can be changed into a prime (2782561057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205426 + ... + 218551.

It is an arithmetic number, because the mean of its divisors is an integer number (695747898).

Almost surely, 2^2782561051 is an apocalyptic number.

2782561051 is a deficient number, since it is larger than the sum of its proper divisors (430541).

2782561051 is an equidigital number, since it uses as much as digits as its factorization.

2782561051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430540.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 2782561051 is about 52749.9862654011. The cubic root of 2782561051 is about 1406.5275199156.

The spelling of 2782561051 in words is "two billion, seven hundred eighty-two million, five hundred sixty-one thousand, fifty-one".