2660873 has 2 divisors, whose sum is σ = 2660874. Its totient is φ = 2660872.

The previous prime is 2660869. The next prime is 2660887. The reversal of 2660873 is 3780662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2521744 + 139129 = 1588^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660873 - 2² = 2660869 is a prime.

It is not a weakly prime, because it can be changed into another prime (2660803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330436 + 1330437.

It is an arithmetic number, because the mean of its divisors is an integer number (1330437).

2^2660873 is an apocalyptic number.

It is an amenable number.

2660873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660873 is an equidigital number, since it uses as much as digits as its factorization.

2660873 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 2660873 is about 1631.2182563961. The cubic root of 2660873 is about 138.5717544491.

The spelling of 2660873 in words is "two million, six hundred sixty thousand, eight hundred seventy-three".