2663001 has 24 divisors (see below), whose sum is σ = 4315584. Its totient is φ = 1568160.

The previous prime is 2662981. The next prime is 2663027. The reversal of 2663001 is 1003662.

It is a happy number.

2663001 is a `hidden beast` number, since 2 + 663 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 2663001 - 2¹⁹ = 2138713 is a prime.

It is a Curzon number.

2663001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2663051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3300 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (179816).

2^2663001 is an apocalyptic number.

It is an amenable number.

2663001 is a deficient number, since it is larger than the sum of its proper divisors (1652583).

2663001 is a wasteful number, since it uses less digits than its factorization.

2663001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2663001 is about 1631.8703992658. The cubic root of 2663001 is about 138.6086849502.

Adding to 2663001 its reverse (1003662), we get a palindrome (3666663).

The spelling of 2663001 in words is "two million, six hundred sixty-three thousand, one".