2563005 has 48 divisors (see below), whose sum is σ = 4777920. Its totient is φ = 1165824.

The previous prime is 2563003. The next prime is 2563007. The reversal of 2563005 is 5003652.

2563005 = T₁₅₁ + T₁₅₂ + ... + T₂₆₅.

It is an interprime number because it is at equal distance from previous prime (2563003) and next prime (2563007).

It is not a de Polignac number, because 2563005 - 2¹ = 2563003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111424 + ... + 111446.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2^2563005 is an apocalyptic number.

It is an amenable number.

2563005 is a deficient number, since it is larger than the sum of its proper divisors (2214915).

2563005 is a wasteful number, since it uses less digits than its factorization.

2563005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2563005 is about 1600.9387870871. The cubic root of 2563005 is about 136.8515806140.

Adding to 2563005 its reverse (5003652), we get a palindrome (7566657).

The spelling of 2563005 in words is "two million, five hundred sixty-three thousand, five".