2497739 has 2 divisors, whose sum is σ = 2497740. Its totient is φ = 2497738.

The previous prime is 2497727. The next prime is 2497751. The reversal of 2497739 is 9377942.

2497739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2497727) and next prime (2497751).

It is a cyclic number.

It is not a de Polignac number, because 2497739 - 2⁴ = 2497723 is a prime.

It is a super-2 number, since 2×2497739² = 12477400224242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2497696 and 2497705.

It is not a weakly prime, because it can be changed into another prime (2497039) 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, 1248869 + 1248870.

It is an arithmetic number, because the mean of its divisors is an integer number (1248870).

2^2497739 is an apocalyptic number.

2497739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497739 is an equidigital number, since it uses as much as digits as its factorization.

2497739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 2497739 is about 1580.4236773726. The cubic root of 2497739 is about 135.6799531674.

The spelling of 2497739 in words is "two million, four hundred ninety-seven thousand, seven hundred thirty-nine".