2497559 has 4 divisors (see below), whose sum is σ = 2534904. Its totient is φ = 2460216.

The previous prime is 2497541. The next prime is 2497571. The reversal of 2497559 is 9557942.

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

It is a cyclic number.

It is not a de Polignac number, because 2497559 - 2²⁰ = 1448983 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18572 + ... + 18705.

It is an arithmetic number, because the mean of its divisors is an integer number (633726).

2^2497559 is an apocalyptic number.

2497559 is a deficient number, since it is larger than the sum of its proper divisors (37345).

2497559 is an equidigital number, since it uses as much as digits as its factorization.

2497559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344.

The product of its digits is 113400, while the sum is 41.

The square root of 2497559 is about 1580.3667295916. The cubic root of 2497559 is about 135.6766938225.

The spelling of 2497559 in words is "two million, four hundred ninety-seven thousand, five hundred fifty-nine".