3591261 has 12 divisors (see below), whose sum is σ = 5254080. Its totient is φ = 2363400.

The previous prime is 3591193. The next prime is 3591281. The reversal of 3591261 is 1621953.

It is a de Polignac number, because none of the positive numbers 2^k-3591261 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3591281) 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 11 ways as a sum of consecutive naturals, for example, 1815 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (437840).

Almost surely, 2^3591261 is an apocalyptic number.

It is an amenable number.

3591261 is a deficient number, since it is larger than the sum of its proper divisors (1662819).

3591261 is a wasteful number, since it uses less digits than its factorization.

3591261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5133 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 3591261 is about 1895.0622681062. The cubic root of 3591261 is about 153.1377715850.

The spelling of 3591261 in words is "three million, five hundred ninety-one thousand, two hundred sixty-one".