2488557 has 4 divisors (see below), whose sum is σ = 3318080. Its totient is φ = 1659036.

The previous prime is 2488553. The next prime is 2488559. The reversal of 2488557 is 7558842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2488557 - 2² = 2488553 is a prime.

It is a D-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 (2488553) 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, 414757 + ... + 414762.

It is an arithmetic number, because the mean of its divisors is an integer number (829520).

2^2488557 is an apocalyptic number.

It is an amenable number.

2488557 is a deficient number, since it is larger than the sum of its proper divisors (829523).

2488557 is an equidigital number, since it uses as much as digits as its factorization.

2488557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829522.

The product of its digits is 89600, while the sum is 39.

The square root of 2488557 is about 1577.5160854964. The cubic root of 2488557 is about 135.5134902125.

It can be divided in two parts, 24885 and 57, that added together give a palindrome (24942).

The spelling of 2488557 in words is "two million, four hundred eighty-eight thousand, five hundred fifty-seven".