2430749 has 2 divisors, whose sum is σ = 2430750. Its totient is φ = 2430748.

The previous prime is 2430733. The next prime is 2430761. The reversal of 2430749 is 9470342.

2430749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 722500 = 1307^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430749 - 2⁴ = 2430733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2430149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215374 + 1215375.

It is an arithmetic number, because the mean of its divisors is an integer number (1215375).

2^2430749 is an apocalyptic number.

It is an amenable number.

2430749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430749 is an equidigital number, since it uses as much as digits as its factorization.

2430749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2430749 is about 1559.0859501644. The cubic root of 2430749 is about 134.4559540319.

The spelling of 2430749 in words is "two million, four hundred thirty thousand, seven hundred forty-nine".