3531091 has 8 divisors (see below), whose sum is σ = 3633840. Its totient is φ = 3429888.

The previous prime is 3531089. The next prime is 3531097. The reversal of 3531091 is 1901353.

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 3531091 - 2¹ = 3531089 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3531097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5415 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (454230).

Almost surely, 2^3531091 is an apocalyptic number.

3531091 is a deficient number, since it is larger than the sum of its proper divisors (102749).

3531091 is an equidigital number, since it uses as much as digits as its factorization.

3531091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 3531091 is about 1879.1197407297. The cubic root of 3531091 is about 152.2776981413.

It can be divided in two parts, 353 and 1091, that added together give a square (1444 = 38²).

The spelling of 3531091 in words is "three million, five hundred thirty-one thousand, ninety-one".