2491153 has 8 divisors (see below), whose sum is σ = 2971008. Its totient is φ = 2042304.

The previous prime is 2491123. The next prime is 2491171. The reversal of 2491153 is 3511942.

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-2491153 is a prime.

It is a d-powerful number, because it can be written as 2³ + 4² + 9⁴ + 1 + 1 + 5⁹ + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2491123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (371376).

2^2491153 is an apocalyptic number.

2491153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2491153 is a deficient number, since it is larger than the sum of its proper divisors (479855).

2491153 is a wasteful number, since it uses less digits than its factorization.

2491153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503.

The product of its digits is 1080, while the sum is 25.

The square root of 2491153 is about 1578.3386835531. The cubic root of 2491153 is about 135.5605952569.

It can be divided in two parts, 24911 and 53, that added together give a square (24964 = 158²).

The spelling of 2491153 in words is "two million, four hundred ninety-one thousand, one hundred fifty-three".