2488509 has 32 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1550016.

The previous prime is 2488489. The next prime is 2488537. The reversal of 2488509 is 9058842.

It is not a de Polignac number, because 2488509 - 2⁸ = 2488253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2488559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46927 + ... + 46979.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2488509 is an apocalyptic number.

It is an amenable number.

2488509 is a deficient number, since it is larger than the sum of its proper divisors (1451331).

2488509 is a wasteful number, since it uses less digits than its factorization.

2488509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2488509 is about 1577.5008716321. The cubic root of 2488509 is about 135.5126189325.

The spelling of 2488509 in words is "two million, four hundred eighty-eight thousand, five hundred nine".