2497563 has 12 divisors (see below), whose sum is σ = 3622320. Its totient is φ = 1658256.

The previous prime is 2497541. The next prime is 2497571. The reversal of 2497563 is 3657942.

2497563 is a `hidden beast` number, since 2 + 4 + 97 + 563 = 666.

It is not a de Polignac number, because 2497563 - 2⁶ = 2497499 is a prime.

It is a super-3 number, since 3×2497563³ = 46738052333382697641, which contains 333 as substring.

2497563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2497513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2845 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (301860).

2^2497563 is an apocalyptic number.

2497563 is a deficient number, since it is larger than the sum of its proper divisors (1124757).

2497563 is a wasteful number, since it uses less digits than its factorization.

2497563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1135 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2497563 is about 1580.3679951201. The cubic root of 2497563 is about 135.6767662541.

The spelling of 2497563 in words is "two million, four hundred ninety-seven thousand, five hundred sixty-three".