3525857 has 4 divisors (see below), whose sum is σ = 3531540. Its totient is φ = 3520176.

The previous prime is 3525833. The next prime is 3525859. The reversal of 3525857 is 7585253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7585253 = 13 ⋅583481.

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 2217121 = 1144^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 3525857 - 2¹⁸ = 3263713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3525859) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (882885).

Almost surely, 2^3525857 is an apocalyptic number.

It is an amenable number.

3525857 is a deficient number, since it is larger than the sum of its proper divisors (5683).

3525857 is an equidigital number, since it uses as much as digits as its factorization.

3525857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its digits is 42000, while the sum is 35.

The square root of 3525857 is about 1877.7265509120. The cubic root of 3525857 is about 152.2024224834.

The spelling of 3525857 in words is "three million, five hundred twenty-five thousand, eight hundred fifty-seven".