2840507 has 2 divisors, whose sum is σ = 2840508. Its totient is φ = 2840506.

The previous prime is 2840483. The next prime is 2840549. The reversal of 2840507 is 7050482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2840507 - 2¹⁰ = 2839483 is a prime.

It is not a weakly prime, because it can be changed into another prime (2843507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420253 + 1420254.

It is an arithmetic number, because the mean of its divisors is an integer number (1420254).

2^2840507 is an apocalyptic number.

2840507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840507 is an equidigital number, since it uses as much as digits as its factorization.

2840507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2840507 is about 1685.3803724976. The cubic root of 2840507 is about 141.6224015491.

Adding to 2840507 its reverse (7050482), we get a palindrome (9890989).

The spelling of 2840507 in words is "two million, eight hundred forty thousand, five hundred seven".