2563418 has 16 divisors (see below), whose sum is σ = 4517856. Its totient is φ = 1075440.

The previous prime is 2563417. The next prime is 2563433. The reversal of 2563418 is 8143652.

It is a super-2 number, since 2×2563418² = 13142223685448, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2563417) 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, 4196 + ... + 4767.

It is an arithmetic number, because the mean of its divisors is an integer number (282366).

2^2563418 is an apocalyptic number.

2563418 is a deficient number, since it is larger than the sum of its proper divisors (1954438).

2563418 is a wasteful number, since it uses less digits than its factorization.

2563418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989.

The product of its digits is 5760, while the sum is 29.

The square root of 2563418 is about 1601.0677687094. The cubic root of 2563418 is about 136.8589309270.

It can be divided in two parts, 25634 and 18, that added together give a palindrome (25652).

The spelling of 2563418 in words is "two million, five hundred sixty-three thousand, four hundred eighteen".