2660783 has 2 divisors, whose sum is σ = 2660784. Its totient is φ = 2660782.

The previous prime is 2660773. The next prime is 2660803. The reversal of 2660783 is 3870662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2660783 - 2⁴ = 2660767 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330391 + 1330392.

It is an arithmetic number, because the mean of its divisors is an integer number (1330392).

2^2660783 is an apocalyptic number.

2660783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660783 is an equidigital number, since it uses as much as digits as its factorization.

2660783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2660783 is about 1631.1906694191. The cubic root of 2660783 is about 138.5701921049.

It can be divided in two parts, 2660 and 783, that added together give a palindrome (3443).

The spelling of 2660783 in words is "two million, six hundred sixty thousand, seven hundred eighty-three".