2461591 has 4 divisors (see below), whose sum is σ = 2685384. Its totient is φ = 2237800.

The previous prime is 2461579. The next prime is 2461601. The reversal of 2461591 is 1951642.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2461591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111880 + ... + 111901.

It is an arithmetic number, because the mean of its divisors is an integer number (671346).

2^2461591 is an apocalyptic number.

2461591 is a deficient number, since it is larger than the sum of its proper divisors (223793).

2461591 is a wasteful number, since it uses less digits than its factorization.

2461591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223792.

The product of its digits is 2160, while the sum is 28.

The square root of 2461591 is about 1568.9458244312. The cubic root of 2461591 is about 135.0222368491.

The spelling of 2461591 in words is "two million, four hundred sixty-one thousand, five hundred ninety-one".