2590191 has 32 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 1596672.

The previous prime is 2590183. The next prime is 2590223. The reversal of 2590191 is 1910952.

It is a happy number.

It is not a de Polignac number, because 2590191 - 2³ = 2590183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2590191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2590691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26655 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (129360).

2^2590191 is an apocalyptic number.

2590191 is a deficient number, since it is larger than the sum of its proper divisors (1549329).

2590191 is a wasteful number, since it uses less digits than its factorization.

2590191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2590191 is about 1609.4070336618. The cubic root of 2590191 is about 137.3337450632. Note that the first 3 decimals are identical.

The spelling of 2590191 in words is "two million, five hundred ninety thousand, one hundred ninety-one".