3135445 has 4 divisors (see below), whose sum is σ = 3762540. Its totient is φ = 2508352.

The previous prime is 3135443. The next prime is 3135449. The reversal of 3135445 is 5445313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5445313 = 109 ⋅49957.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 2137444 = 999^2 + 1462^2 .

It is a cyclic number.

It is not a de Polignac number, because 3135445 - 2¹ = 3135443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313540 + ... + 313549.

It is an arithmetic number, because the mean of its divisors is an integer number (940635).

Almost surely, 2^3135445 is an apocalyptic number.

It is an amenable number.

3135445 is a deficient number, since it is larger than the sum of its proper divisors (627095).

3135445 is an equidigital number, since it uses as much as digits as its factorization.

3135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627094.

The product of its digits is 3600, while the sum is 25.

The square root of 3135445 is about 1770.7187806086. The cubic root of 3135445 is about 146.3635930502.

The spelling of 3135445 in words is "three million, one hundred thirty-five thousand, four hundred forty-five".