3512345 has 4 divisors (see below), whose sum is σ = 4214820. Its totient is φ = 2809872.

The previous prime is 3512323. The next prime is 3512351. The reversal of 3512345 is 5432153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 753424 = 1661^2 + 868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3512345 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3512345.

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, 351230 + ... + 351239.

It is an arithmetic number, because the mean of its divisors is an integer number (1053705).

Almost surely, 2^3512345 is an apocalyptic number.

It is an amenable number.

3512345 is a deficient number, since it is larger than the sum of its proper divisors (702475).

3512345 is an equidigital number, since it uses as much as digits as its factorization.

3512345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702474.

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

The square root of 3512345 is about 1874.1251292270. The cubic root of 3512345 is about 152.0077471813.

Adding to 3512345 its reverse (5432153), we get a palindrome (8944498).

The spelling of 3512345 in words is "three million, five hundred twelve thousand, three hundred forty-five".