2560191 has 8 divisors (see below), whose sum is σ = 3426864. Its totient is φ = 1700160.

The previous prime is 2560171. The next prime is 2560211. The reversal of 2560191 is 1910652.

It is an interprime number because it is at equal distance from previous prime (2560171) and next prime (2560211).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2560191 - 2⁶ = 2560127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (428358).

2^2560191 is an apocalyptic number.

2560191 is a deficient number, since it is larger than the sum of its proper divisors (866673).

2560191 is a wasteful number, since it uses less digits than its factorization.

2560191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2560191 is about 1600.0596863867. The cubic root of 2560191 is about 136.8014777892.

The spelling of 2560191 in words is "two million, five hundred sixty thousand, one hundred ninety-one".