3531065 has 4 divisors (see below), whose sum is σ = 4237284. Its totient is φ = 2824848.

The previous prime is 3531049. The next prime is 3531071. The reversal of 3531065 is 5601353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5601353 = 1987 ⋅2819.

It can be written as a sum of positive squares in 2 ways, for example, as 2601769 + 929296 = 1613^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 3531065 - 2⁴ = 3531049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3531065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353102 + ... + 353111.

It is an arithmetic number, because the mean of its divisors is an integer number (1059321).

Almost surely, 2^3531065 is an apocalyptic number.

It is an amenable number.

3531065 is a deficient number, since it is larger than the sum of its proper divisors (706219).

3531065 is an equidigital number, since it uses as much as digits as its factorization.

3531065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706218.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 3531065 is about 1879.1128225841. The cubic root of 3531065 is about 152.2773243919.

The spelling of 3531065 in words is "three million, five hundred thirty-one thousand, sixty-five".