3527245 has 12 divisors (see below), whose sum is σ = 4498164. Its totient is φ = 2654720.

The previous prime is 3527243. The next prime is 3527261. The reversal of 3527245 is 5427253.

It can be written as a sum of positive squares in 6 ways, for example, as 361 + 3526884 = 19^2 + 1878^2 .

It is not a de Polignac number, because 3527245 - 2¹ = 3527243 is a prime.

It is a Duffinian number.

3527245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3527243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (374847).

Almost surely, 2^3527245 is an apocalyptic number.

It is an amenable number.

3527245 is a deficient number, since it is larger than the sum of its proper divisors (970919).

3527245 is a wasteful number, since it uses less digits than its factorization.

3527245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2463 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 3527245 is about 1878.0961104267. The cubic root of 3527245 is about 152.2223920253. Note that the first 3 decimals are identical.

The spelling of 3527245 in words is "three million, five hundred twenty-seven thousand, two hundred forty-five".