6249091 has 4 divisors (see below), whose sum is σ = 6261184. Its totient is φ = 6237000.

The previous prime is 6249059. The next prime is 6249101. The reversal of 6249091 is 1909426.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1909426 = 2 ⋅954713.

It is a cyclic number.

It is not a de Polignac number, because 6249091 - 2⁵ = 6249059 is a prime.

It is a super-2 number, since 2×6249091² = 78102276652562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6249391) 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, 5235 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (1565296).

Almost surely, 2^6249091 is an apocalyptic number.

6249091 is a deficient number, since it is larger than the sum of its proper divisors (12093).

6249091 is a wasteful number, since it uses less digits than its factorization.

6249091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6249091 is about 2499.8181933893. The cubic root of 6249091 is about 184.1926444067.

The spelling of 6249091 in words is "six million, two hundred forty-nine thousand, ninety-one".