3852561 has 4 divisors (see below), whose sum is σ = 5136752. Its totient is φ = 2568372.

The previous prime is 3852559. The next prime is 3852581. The reversal of 3852561 is 1652583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1652583 = 3 ⋅550861.

It is not a de Polignac number, because 3852561 - 2¹ = 3852559 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3852581) 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, 642091 + ... + 642096.

It is an arithmetic number, because the mean of its divisors is an integer number (1284188).

Almost surely, 2^3852561 is an apocalyptic number.

It is an amenable number.

3852561 is a deficient number, since it is larger than the sum of its proper divisors (1284191).

3852561 is a wasteful number, since it uses less digits than its factorization.

3852561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284190.

The product of its digits is 7200, while the sum is 30.

The square root of 3852561 is about 1962.7941817725. The cubic root of 3852561 is about 156.7652651307.

The spelling of 3852561 in words is "three million, eight hundred fifty-two thousand, five hundred sixty-one".