3525239 has 4 divisors (see below), whose sum is σ = 3732624. Its totient is φ = 3317856.

The previous prime is 3525229. The next prime is 3525293. The reversal of 3525239 is 9325253.

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

It is not a de Polignac number, because 3525239 - 2¹² = 3521143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525209) 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, 103667 + ... + 103700.

It is an arithmetic number, because the mean of its divisors is an integer number (933156).

Almost surely, 2^3525239 is an apocalyptic number.

3525239 is a deficient number, since it is larger than the sum of its proper divisors (207385).

3525239 is a wasteful number, since it uses less digits than its factorization.

3525239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207384.

The product of its digits is 8100, while the sum is 29.

The square root of 3525239 is about 1877.5619829982. The cubic root of 3525239 is about 152.1935294594.

The spelling of 3525239 in words is "three million, five hundred twenty-five thousand, two hundred thirty-nine".