2573891 has 2 divisors, whose sum is σ = 2573892. Its totient is φ = 2573890.

The previous prime is 2573887. The next prime is 2573927. The reversal of 2573891 is 1983752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2573891 - 2² = 2573887 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2573881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286945 + 1286946.

It is an arithmetic number, because the mean of its divisors is an integer number (1286946).

2^2573891 is an apocalyptic number.

2573891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573891 is an equidigital number, since it uses as much as digits as its factorization.

2573891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 2573891 is about 1604.3350647542. The cubic root of 2573891 is about 137.0450595029.

The spelling of 2573891 in words is "two million, five hundred seventy-three thousand, eight hundred ninety-one".