2591995 has 16 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 1757664.

The previous prime is 2591987. The next prime is 2592043. The reversal of 2591995 is 5991952.

It is a cyclic number.

It is not a de Polignac number, because 2591995 - 2³ = 2591987 is a prime.

2591995 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3246 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (224640).

2^2591995 is an apocalyptic number.

2591995 is a deficient number, since it is larger than the sum of its proper divisors (1002245).

2591995 is a wasteful number, since it uses less digits than its factorization.

2591995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 36450, while the sum is 40.

The square root of 2591995 is about 1609.9673909741. The cubic root of 2591995 is about 137.3656207796.

The spelling of 2591995 in words is "two million, five hundred ninety-one thousand, nine hundred ninety-five".