2491154 has 8 divisors (see below), whose sum is σ = 3775548. Its totient is φ = 1232640.

The previous prime is 2491123. The next prime is 2491171. The reversal of 2491154 is 4511942.

It can be written as a sum of positive squares in 2 ways, for example, as 2486929 + 4225 = 1577^2 + 65^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6227 + ... + 6614.

2^2491154 is an apocalyptic number.

2491154 is a deficient number, since it is larger than the sum of its proper divisors (1284394).

2491154 is a wasteful number, since it uses less digits than its factorization.

2491154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940.

The product of its digits is 1440, while the sum is 26.

The square root of 2491154 is about 1578.3390003418. The cubic root of 2491154 is about 135.5606133958.

The spelling of 2491154 in words is "two million, four hundred ninety-one thousand, one hundred fifty-four".