2488021 has 4 divisors (see below), whose sum is σ = 2495500. Its totient is φ = 2480544.

The previous prime is 2488019. The next prime is 2488043. The reversal of 2488021 is 1208842.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1703025 + 784996 = 1305^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488021 - 2¹ = 2488019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2488061) 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, 3216 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (623875).

2^2488021 is an apocalyptic number.

It is an amenable number.

2488021 is a deficient number, since it is larger than the sum of its proper divisors (7479).

2488021 is an equidigital number, since it uses as much as digits as its factorization.

2488021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2488021 is about 1577.3461890150. The cubic root of 2488021 is about 135.5037602838.

The spelling of 2488021 in words is "two million, four hundred eighty-eight thousand, twenty-one".