612024649 has 2 divisors, whose sum is σ = 612024650. Its totient is φ = 612024648.

The previous prime is 612024631. The next prime is 612024697. The reversal of 612024649 is 946420216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430853049 + 181171600 = 20757^2 + 13460^2 .

It is a cyclic number.

It is not a de Polignac number, because 612024649 - 2⁵ = 612024617 is a prime.

It is not a weakly prime, because it can be changed into another prime (612024629) 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, 306012324 + 306012325.

It is an arithmetic number, because the mean of its divisors is an integer number (306012325).

Almost surely, 2^612024649 is an apocalyptic number.

It is an amenable number.

612024649 is a deficient number, since it is larger than the sum of its proper divisors (1).

612024649 is an equidigital number, since it uses as much as digits as its factorization.

612024649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 612024649 is about 24739.1319370749. The cubic root of 612024649 is about 849.0298731213.

The spelling of 612024649 in words is "six hundred twelve million, twenty-four thousand, six hundred forty-nine".