6124649 has 2 divisors, whose sum is σ = 6124650. Its totient is φ = 6124648.

The previous prime is 6124609. The next prime is 6124663. The reversal of 6124649 is 9464216.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4579600 + 1545049 = 2140^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6124649 is a prime.

It is a super-2 number, since 2×6124649² = 75022650746402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6124609) 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 as a sum of consecutive naturals, namely, 3062324 + 3062325.

It is an arithmetic number, because the mean of its divisors is an integer number (3062325).

Almost surely, 2^6124649 is an apocalyptic number.

It is an amenable number.

6124649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6124649 is an equidigital number, since it uses as much as digits as its factorization.

6124649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 6124649 is about 2474.8028204283. The cubic root of 6124649 is about 182.9617904240.

The spelling of 6124649 in words is "six million, one hundred twenty-four thousand, six hundred forty-nine".