2663459 has 2 divisors, whose sum is σ = 2663460. Its totient is φ = 2663458.

The previous prime is 2663431. The next prime is 2663461. The reversal of 2663459 is 9543662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663459 is a prime.

Together with 2663461, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2663429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331729 + 1331730.

It is an arithmetic number, because the mean of its divisors is an integer number (1331730).

2^2663459 is an apocalyptic number.

2663459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663459 is an equidigital number, since it uses as much as digits as its factorization.

2663459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 2663459 is about 1632.0107230040. The cubic root of 2663459 is about 138.6166307650.

Subtracting from 2663459 its sum of digits (35), we obtain a square (2663424 = 1632²).

The spelling of 2663459 in words is "two million, six hundred sixty-three thousand, four hundred fifty-nine".