3591061 has 8 divisors (see below), whose sum is σ = 3668760. Its totient is φ = 3514368.

The previous prime is 3591047. The next prime is 3591073. The reversal of 3591061 is 1601953.

It can be written as a sum of positive squares in 4 ways, for example, as 680625 + 2910436 = 825^2 + 1706^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3591061 - 2⁷ = 3590933 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 (3591761) 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 7 ways as a sum of consecutive naturals, for example, 13845 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (458595).

Almost surely, 2^3591061 is an apocalyptic number.

It is an amenable number.

3591061 is a deficient number, since it is larger than the sum of its proper divisors (77699).

3591061 is a wasteful number, since it uses less digits than its factorization.

3591061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 3591061 is about 1895.0094986569. The cubic root of 3591061 is about 153.1349287467.

The spelling of 3591061 in words is "three million, five hundred ninety-one thousand, sixty-one".