2563827 has 24 divisors (see below), whose sum is σ = 4038336. Its totient is φ = 1442448.

The previous prime is 2563819. The next prime is 2563837. The reversal of 2563827 is 7283652.

It is not a de Polignac number, because 2563827 - 2³ = 2563819 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 5² + 6⁸ + 3⁹ + 8⁴ + 2¹⁵ + 7⁷ .

Its product of digits (20160) is a multiple of the sum of its prime divisors (280).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2563837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15648 + ... + 15810.

It is an arithmetic number, because the mean of its divisors is an integer number (168264).

2^2563827 is an apocalyptic number.

2563827 is a deficient number, since it is larger than the sum of its proper divisors (1474509).

2563827 is a wasteful number, since it uses less digits than its factorization.

2563827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 280 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 2563827 is about 1601.1954908755. The cubic root of 2563827 is about 136.8662092726.

The spelling of 2563827 in words is "two million, five hundred sixty-three thousand, eight hundred twenty-seven".