2663045 has 16 divisors (see below), whose sum is σ = 3984768. Its totient is φ = 1659840.

The previous prime is 2663039. The next prime is 2663051. The reversal of 2663045 is 5403662.

It is an interprime number because it is at equal distance from previous prime (2663039) and next prime (2663051).

It is not a de Polignac number, because 2663045 - 2⁴ = 2663029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3074 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (249048).

2^2663045 is an apocalyptic number.

It is an amenable number.

2663045 is a deficient number, since it is larger than the sum of its proper divisors (1321723).

2663045 is a wasteful number, since it uses less digits than its factorization.

2663045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2663045 is about 1631.8838806729. The cubic root of 2663045 is about 138.6094483431.

The spelling of 2663045 in words is "two million, six hundred sixty-three thousand, forty-five".