2497939 has 2 divisors, whose sum is σ = 2497940. Its totient is φ = 2497938.

The previous prime is 2497933. The next prime is 2497951. The reversal of 2497939 is 9397942.

2497939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2497939 - 2³ = 2497931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2497895 and 2497904.

It is not a weakly prime, because it can be changed into another prime (2497931) 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, 1248969 + 1248970.

It is an arithmetic number, because the mean of its divisors is an integer number (1248970).

2^2497939 is an apocalyptic number.

2497939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497939 is an equidigital number, since it uses as much as digits as its factorization.

2497939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 2497939 is about 1580.4869502783. The cubic root of 2497939 is about 135.6835744780.

The spelling of 2497939 in words is "two million, four hundred ninety-seven thousand, nine hundred thirty-nine".