2782057 has 16 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 2483712.

The previous prime is 2782049. The next prime is 2782061. The reversal of 2782057 is 7502872.

It is a cyclic number.

It is not a de Polignac number, because 2782057 - 2³ = 2782049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2782097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28633 + ... + 28729.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

2^2782057 is an apocalyptic number.

It is an amenable number.

2782057 is a deficient number, since it is larger than the sum of its proper divisors (322583).

2782057 is a wasteful number, since it uses less digits than its factorization.

2782057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2782057 is about 1667.9499392967. The cubic root of 2782057 is about 140.6442585641.

The spelling of 2782057 in words is "two million, seven hundred eighty-two thousand, fifty-seven".