2563562 has 4 divisors (see below), whose sum is σ = 3845346. Its totient is φ = 1281780.

The previous prime is 2563553. The next prime is 2563601. The reversal of 2563562 is 2653652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2563201 + 361 = 1601^2 + 19^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640889 + ... + 640892.

2^2563562 is an apocalyptic number.

2563562 is a deficient number, since it is larger than the sum of its proper divisors (1281784).

2563562 is a wasteful number, since it uses less digits than its factorization.

2563562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281783.

The product of its digits is 10800, while the sum is 29.

The square root of 2563562 is about 1601.1127380669. The cubic root of 2563562 is about 136.8614935624.

It can be divided in two parts, 2563 and 562, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2563562 in words is "two million, five hundred sixty-three thousand, five hundred sixty-two".