2499305 has 8 divisors (see below), whose sum is σ = 3010632. Its totient is φ = 1991808.

The previous prime is 2499269. The next prime is 2499311. The reversal of 2499305 is 5039942.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 2408704 = 301^2 + 1552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2499305 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (376329).

2^2499305 is an apocalyptic number.

It is an amenable number.

2499305 is a deficient number, since it is larger than the sum of its proper divisors (511327).

2499305 is a wasteful number, since it uses less digits than its factorization.

2499305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2499305 is about 1580.9190365101. The cubic root of 2499305 is about 135.7083028625.

The spelling of 2499305 in words is "two million, four hundred ninety-nine thousand, three hundred five".