2499321 has 16 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 1485120.

The previous prime is 2499311. The next prime is 2499337. The reversal of 2499321 is 1239942.

2499321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2499321 - 2⁶ = 2499257 is a prime.

It is a super-2 number, since 2×2499321² = 12493210922082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (231660).

2^2499321 is an apocalyptic number.

It is an amenable number.

2499321 is a deficient number, since it is larger than the sum of its proper divisors (1207239).

2499321 is a wasteful number, since it uses less digits than its factorization.

2499321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 3888, while the sum is 30.

The square root of 2499321 is about 1580.9240968497. The cubic root of 2499321 is about 135.7085924534.

The spelling of 2499321 in words is "two million, four hundred ninety-nine thousand, three hundred twenty-one".