2591042 has 24 divisors (see below), whose sum is σ = 4247040. Its totient is φ = 1184040.

The previous prime is 2591041. The next prime is 2591053. The reversal of 2591042 is 2401952.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2590999 and 2591017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32759 + ... + 32837.

It is an arithmetic number, because the mean of its divisors is an integer number (176960).

2^2591042 is an apocalyptic number.

2591042 is a deficient number, since it is larger than the sum of its proper divisors (1655998).

2591042 is a wasteful number, since it uses less digits than its factorization.

2591042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2591042 is about 1609.6713950369. The cubic root of 2591042 is about 137.3487836222.

Adding to 2591042 its reverse (2401952), we get a palindrome (4992994).

It can be divided in two parts, 25910 and 42, that added together give a palindrome (25952).

The spelling of 2591042 in words is "two million, five hundred ninety-one thousand, forty-two".