2563793 has 8 divisors (see below), whose sum is σ = 2666496. Its totient is φ = 2462400.

The previous prime is 2563777. The next prime is 2563811. The reversal of 2563793 is 3973652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2563793 - 2⁴ = 2563777 is a prime.

It is a d-powerful number, because it can be written as 2 + 5³ + 6⁸ + 3⁶ + 7⁷ + 9³ + 3¹⁰ .

It is not an unprimeable number, because it can be changed into a prime (2563723) 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, 5705 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (333312).

2^2563793 is an apocalyptic number.

It is an amenable number.

2563793 is a deficient number, since it is larger than the sum of its proper divisors (102703).

2563793 is a wasteful number, since it uses less digits than its factorization.

2563793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its digits is 34020, while the sum is 35.

The square root of 2563793 is about 1601.1848737732. The cubic root of 2563793 is about 136.8656042563.

The spelling of 2563793 in words is "two million, five hundred sixty-three thousand, seven hundred ninety-three".