3531791 has 2 divisors, whose sum is σ = 3531792. Its totient is φ = 3531790.

The previous prime is 3531779. The next prime is 3531797. The reversal of 3531791 is 1971353.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3531791 - 2⁶ = 3531727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3531797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765895 + 1765896.

It is an arithmetic number, because the mean of its divisors is an integer number (1765896).

Almost surely, 2^3531791 is an apocalyptic number.

3531791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3531791 is an equidigital number, since it uses as much as digits as its factorization.

3531791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 29.

The square root of 3531791 is about 1879.3059889225. The cubic root of 3531791 is about 152.2877599367.

The spelling of 3531791 in words is "three million, five hundred thirty-one thousand, seven hundred ninety-one".