2499967 has 2 divisors, whose sum is σ = 2499968. Its totient is φ = 2499966.

The previous prime is 2499953. The next prime is 2499983. The reversal of 2499967 is 7699942.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2499967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2499907) 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, 1249983 + 1249984.

It is an arithmetic number, because the mean of its divisors is an integer number (1249984).

2^2499967 is an apocalyptic number.

2499967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2499967 is an equidigital number, since it uses as much as digits as its factorization.

2499967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 2499967 is about 1581.1283945335. The cubic root of 2499967 is about 135.7202836552.

The spelling of 2499967 in words is "two million, four hundred ninety-nine thousand, nine hundred sixty-seven".