6149491 has 2 divisors, whose sum is σ = 6149492. Its totient is φ = 6149490.

The previous prime is 6149489. The next prime is 6149497. The reversal of 6149491 is 1949416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6149491 - 2¹ = 6149489 is a prime.

It is a super-3 number, since 3×6149491³ (a number of 21 digits) contains 333 as substring.

Together with 6149489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6149497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074745 + 3074746.

It is an arithmetic number, because the mean of its divisors is an integer number (3074746).

Almost surely, 2^6149491 is an apocalyptic number.

6149491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6149491 is an equidigital number, since it uses as much as digits as its factorization.

6149491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 6149491 is about 2479.8167270990. The cubic root of 6149491 is about 183.2088252869.

The spelling of 6149491 in words is "six million, one hundred forty-nine thousand, four hundred ninety-one".