3887525 has 6 divisors (see below), whose sum is σ = 4820562. Its totient is φ = 3110000.

The previous prime is 3887519. The next prime is 3887531. The reversal of 3887525 is 5257883.

It is an interprime number because it is at equal distance from previous prime (3887519) and next prime (3887531).

It can be written as a sum of positive squares in 3 ways, for example, as 386884 + 3500641 = 622^2 + 1871^2 .

It is not a de Polignac number, because 3887525 - 2⁶ = 3887461 is a prime.

It is a super-2 number, since 2×3887525² = 30225701251250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77726 + ... + 77775.

It is an arithmetic number, because the mean of its divisors is an integer number (803427).

Almost surely, 2^3887525 is an apocalyptic number.

It is an amenable number.

3887525 is a deficient number, since it is larger than the sum of its proper divisors (933037).

3887525 is a wasteful number, since it uses less digits than its factorization.

3887525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155511 (or 155506 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 3887525 is about 1971.6807550920. The cubic root of 3887525 is about 157.2380798312.

The spelling of 3887525 in words is "three million, eight hundred eighty-seven thousand, five hundred twenty-five".