2493311 has 4 divisors (see below), whose sum is σ = 2497032. Its totient is φ = 2489592.

The previous prime is 2493301. The next prime is 2493329. The reversal of 2493311 is 1133942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1133942 = 2 ⋅566971.

It is a cyclic number.

It is not a de Polignac number, because 2493311 - 2¹⁴ = 2476927 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 (2493301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (624258).

2^2493311 is an apocalyptic number.

2493311 is a deficient number, since it is larger than the sum of its proper divisors (3721).

2493311 is an equidigital number, since it uses as much as digits as its factorization.

2493311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720.

The product of its digits is 648, while the sum is 23.

The square root of 2493311 is about 1579.0221657722. The cubic root of 2493311 is about 135.5997277835.

The spelling of 2493311 in words is "two million, four hundred ninety-three thousand, three hundred eleven".