2563794 has 12 divisors (see below), whose sum is σ = 5554926. Its totient is φ = 854592.

The previous prime is 2563777. The next prime is 2563811. The reversal of 2563794 is 4973652.

2563794 is a `hidden beast` number, since 2 + 563 + 7 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (2563777) and next prime (2563811).

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 700569 = 1365^2 + 837^2 .

It is a d-powerful number, because it can be written as 2⁹ + 5⁹ + 6⁶ + 3¹¹ + 7⁶ + 9⁴ + 4⁹ .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71199 + ... + 71234.

2^2563794 is an apocalyptic number.

2563794 is an abundant number, since it is smaller than the sum of its proper divisors (2991132).

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

2563794 is a wasteful number, since it uses less digits than its factorization.

2563794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142441 (or 142438 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2563794 is about 1601.1851860419. The cubic root of 2563794 is about 136.8656220509.

The spelling of 2563794 in words is "two million, five hundred sixty-three thousand, seven hundred ninety-four".