2591015 has 16 divisors (see below), whose sum is σ = 3581760. Its totient is φ = 1762560.

The previous prime is 2590997. The next prime is 2591023. The reversal of 2591015 is 5101952.

2591015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2591015 - 2¹⁰ = 2589991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6131 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (223860).

2^2591015 is an apocalyptic number.

2591015 is a deficient number, since it is larger than the sum of its proper divisors (990745).

2591015 is a wasteful number, since it uses less digits than its factorization.

2591015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 2591015 is about 1609.6630082101. The cubic root of 2591015 is about 137.3483065387.

Adding to 2591015 its reverse (5101952), we get a palindrome (7692967).

The spelling of 2591015 in words is "two million, five hundred ninety-one thousand, fifteen".