3525290 has 32 divisors (see below), whose sum is σ = 6823440. Its totient is φ = 1306624.

The previous prime is 3525229. The next prime is 3525293. The reversal of 3525290 is 925253.

It can be written as a sum of positive squares in 8 ways, for example, as 923521 + 2601769 = 961^2 + 1613^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15014 + ... + 15246.

Almost surely, 2^3525290 is an apocalyptic number.

3525290 is a deficient number, since it is larger than the sum of its proper divisors (3298150).

3525290 is a wasteful number, since it uses less digits than its factorization.

3525290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 3525290 is about 1877.5755643915. The cubic root of 3525290 is about 152.1942633890.

The spelling of 3525290 in words is "three million, five hundred twenty-five thousand, two hundred ninety".