3523145 has 8 divisors (see below), whose sum is σ = 4253256. Its totient is φ = 2801536.

The previous prime is 3523141. The next prime is 3523147. The reversal of 3523145 is 5413253.

It can be written as a sum of positive squares in 4 ways, for example, as 383161 + 3139984 = 619^2 + 1772^2 .

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 3523145 - 2² = 3523141 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 3523145.

It is not an unprimeable number, because it can be changed into a prime (3523141) 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, 1172 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (531657).

Almost surely, 2^3523145 is an apocalyptic number.

It is an amenable number.

3523145 is a deficient number, since it is larger than the sum of its proper divisors (730111).

3523145 is a wasteful number, since it uses less digits than its factorization.

3523145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its digits is 1800, while the sum is 23.

The square root of 3523145 is about 1877.0042621156. The cubic root of 3523145 is about 152.1633890563.

Adding to 3523145 its reverse (5413253), we get a palindrome (8936398).

The spelling of 3523145 in words is "three million, five hundred twenty-three thousand, one hundred forty-five".